Home / 28,385.43-42,516.17-23,399.07

Finding the Fourth Proportional to 28,385.43, 42,516.17 and 23,399.07

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Solution

The fourth proportional to 28,385.43, 42,516.17 and 23,399.07 is: 35,047.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,385.43 : 42,516.17 = 23,399.07 : x
  2. Step 2: Convert to fraction form
    28,385.43/42,516.17 = 23,399.07/x
  3. Step 3: Cross multiply
    28,385.43x = 42,516.17 × 23,399.07
  4. Step 4: Simplify right side
    28,385.43x = 994,838,837.96
  5. Step 5: Solve for x
    x = 994,838,837.96/28,385.43
  6. Step 6: Final answer
    x = 35,047.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.