Home / 28,335.57-42,505.74-8,614.30

Finding the Fourth Proportional to 28,335.57, 42,505.74 and 8,614.30

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Solution

The fourth proportional to 28,335.57, 42,505.74 and 8,614.30 is: 12,922.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,335.57 : 42,505.74 = 8,614.30 : x
  2. Step 2: Convert to fraction form
    28,335.57/42,505.74 = 8,614.30/x
  3. Step 3: Cross multiply
    28,335.57x = 42,505.74 × 8,614.30
  4. Step 4: Simplify right side
    28,335.57x = 366,157,145.29
  5. Step 5: Solve for x
    x = 366,157,145.29/28,335.57
  6. Step 6: Final answer
    x = 12,922.17

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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.