Home / 28,437.48-39,244.50-15,863.04

Finding the Fourth Proportional to 28,437.48, 39,244.50 and 15,863.04

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Solution

The fourth proportional to 28,437.48, 39,244.50 and 15,863.04 is: 21,891.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,437.48 : 39,244.50 = 15,863.04 : x
  2. Step 2: Convert to fraction form
    28,437.48/39,244.50 = 15,863.04/x
  3. Step 3: Cross multiply
    28,437.48x = 39,244.50 × 15,863.04
  4. Step 4: Simplify right side
    28,437.48x = 622,537,073.28
  5. Step 5: Solve for x
    x = 622,537,073.28/28,437.48
  6. Step 6: Final answer
    x = 21,891.43

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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.