Home / 26,711.28-40,047.02-8,931.42

Finding the Fourth Proportional to 26,711.28, 40,047.02 and 8,931.42

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Solution

The fourth proportional to 26,711.28, 40,047.02 and 8,931.42 is: 13,390.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,711.28 : 40,047.02 = 8,931.42 : x
  2. Step 2: Convert to fraction form
    26,711.28/40,047.02 = 8,931.42/x
  3. Step 3: Cross multiply
    26,711.28x = 40,047.02 × 8,931.42
  4. Step 4: Simplify right side
    26,711.28x = 357,676,710.71
  5. Step 5: Solve for x
    x = 357,676,710.71/26,711.28
  6. Step 6: Final answer
    x = 13,390.47

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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.