Home / 28,012.76-38,657.61-15,265.94

Finding the Fourth Proportional to 28,012.76, 38,657.61 and 15,265.94

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Solution

The fourth proportional to 28,012.76, 38,657.61 and 15,265.94 is: 21,067.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,012.76 : 38,657.61 = 15,265.94 : x
  2. Step 2: Convert to fraction form
    28,012.76/38,657.61 = 15,265.94/x
  3. Step 3: Cross multiply
    28,012.76x = 38,657.61 × 15,265.94
  4. Step 4: Simplify right side
    28,012.76x = 590,144,899.46
  5. Step 5: Solve for x
    x = 590,144,899.46/28,012.76
  6. Step 6: Final answer
    x = 21,067.01

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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.