Home / 28,705.46-39,614.06-15,959.70

Finding the Fourth Proportional to 28,705.46, 39,614.06 and 15,959.70

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Solution

The fourth proportional to 28,705.46, 39,614.06 and 15,959.70 is: 22,024.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,705.46 : 39,614.06 = 15,959.70 : x
  2. Step 2: Convert to fraction form
    28,705.46/39,614.06 = 15,959.70/x
  3. Step 3: Cross multiply
    28,705.46x = 39,614.06 × 15,959.70
  4. Step 4: Simplify right side
    28,705.46x = 632,228,553.28
  5. Step 5: Solve for x
    x = 632,228,553.28/28,705.46
  6. Step 6: Final answer
    x = 22,024.68

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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.