Home / 28,705.71-39,614.43-15,959.95

Finding the Fourth Proportional to 28,705.71, 39,614.43 and 15,959.95

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Solution

The fourth proportional to 28,705.71, 39,614.43 and 15,959.95 is: 22,025.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,705.71 : 39,614.43 = 15,959.95 : x
  2. Step 2: Convert to fraction form
    28,705.71/39,614.43 = 15,959.95/x
  3. Step 3: Cross multiply
    28,705.71x = 39,614.43 × 15,959.95
  4. Step 4: Simplify right side
    28,705.71x = 632,244,322.08
  5. Step 5: Solve for x
    x = 632,244,322.08/28,705.71
  6. Step 6: Final answer
    x = 22,025.04

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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.