Home / 28,035.90-42,057.72-10,264.23

Finding the Fourth Proportional to 28,035.90, 42,057.72 and 10,264.23

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Solution

The fourth proportional to 28,035.90, 42,057.72 and 10,264.23 is: 15,397.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,035.90 : 42,057.72 = 10,264.23 : x
  2. Step 2: Convert to fraction form
    28,035.90/42,057.72 = 10,264.23/x
  3. Step 3: Cross multiply
    28,035.90x = 42,057.72 × 10,264.23
  4. Step 4: Simplify right side
    28,035.90x = 431,690,111.36
  5. Step 5: Solve for x
    x = 431,690,111.36/28,035.90
  6. Step 6: Final answer
    x = 15,397.76

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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.