Home / 28,705.92-39,614.85-15,959.49

Finding the Fourth Proportional to 28,705.92, 39,614.85 and 15,959.49

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Solution

The fourth proportional to 28,705.92, 39,614.85 and 15,959.49 is: 22,024.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,705.92 : 39,614.85 = 15,959.49 : x
  2. Step 2: Convert to fraction form
    28,705.92/39,614.85 = 15,959.49/x
  3. Step 3: Cross multiply
    28,705.92x = 39,614.85 × 15,959.49
  4. Step 4: Simplify right side
    28,705.92x = 632,232,802.43
  5. Step 5: Solve for x
    x = 632,232,802.43/28,705.92
  6. Step 6: Final answer
    x = 22,024.47

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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.