Home / 28,461.24-42,693.92-10,931.07

Finding the Fourth Proportional to 28,461.24, 42,693.92 and 10,931.07

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Solution

The fourth proportional to 28,461.24, 42,693.92 and 10,931.07 is: 16,397.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,461.24 : 42,693.92 = 10,931.07 : x
  2. Step 2: Convert to fraction form
    28,461.24/42,693.92 = 10,931.07/x
  3. Step 3: Cross multiply
    28,461.24x = 42,693.92 × 10,931.07
  4. Step 4: Simplify right side
    28,461.24x = 466,690,173.44
  5. Step 5: Solve for x
    x = 466,690,173.44/28,461.24
  6. Step 6: Final answer
    x = 16,397.39

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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.