Home / 28,251.34-42,360.59-10,711.60

Finding the Fourth Proportional to 28,251.34, 42,360.59 and 10,711.60

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Solution

The fourth proportional to 28,251.34, 42,360.59 and 10,711.60 is: 16,061.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,251.34 : 42,360.59 = 10,711.60 : x
  2. Step 2: Convert to fraction form
    28,251.34/42,360.59 = 10,711.60/x
  3. Step 3: Cross multiply
    28,251.34x = 42,360.59 × 10,711.60
  4. Step 4: Simplify right side
    28,251.34x = 453,749,484.04
  5. Step 5: Solve for x
    x = 453,749,484.04/28,251.34
  6. Step 6: Final answer
    x = 16,061.17

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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.