Home / 28,013.45-38,657.44-15,266.37

Finding the Fourth Proportional to 28,013.45, 38,657.44 and 15,266.37

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Solution

The fourth proportional to 28,013.45, 38,657.44 and 15,266.37 is: 21,066.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,013.45 : 38,657.44 = 15,266.37 : x
  2. Step 2: Convert to fraction form
    28,013.45/38,657.44 = 15,266.37/x
  3. Step 3: Cross multiply
    28,013.45x = 38,657.44 × 15,266.37
  4. Step 4: Simplify right side
    28,013.45x = 590,158,534.30
  5. Step 5: Solve for x
    x = 590,158,534.30/28,013.45
  6. Step 6: Final answer
    x = 21,066.97

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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.