Home / 28,012.95-38,657.36-15,266.24

Finding the Fourth Proportional to 28,012.95, 38,657.36 and 15,266.24

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Solution

The fourth proportional to 28,012.95, 38,657.36 and 15,266.24 is: 21,067.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,012.95 : 38,657.36 = 15,266.24 : x
  2. Step 2: Convert to fraction form
    28,012.95/38,657.36 = 15,266.24/x
  3. Step 3: Cross multiply
    28,012.95x = 38,657.36 × 15,266.24
  4. Step 4: Simplify right side
    28,012.95x = 590,152,265.91
  5. Step 5: Solve for x
    x = 590,152,265.91/28,012.95
  6. Step 6: Final answer
    x = 21,067.12

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.