Home / 28,591.74-42,864.70-13,591.33

Finding the Fourth Proportional to 28,591.74, 42,864.70 and 13,591.33

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Solution

The fourth proportional to 28,591.74, 42,864.70 and 13,591.33 is: 20,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,591.74 : 42,864.70 = 13,591.33 : x
  2. Step 2: Convert to fraction form
    28,591.74/42,864.70 = 13,591.33/x
  3. Step 3: Cross multiply
    28,591.74x = 42,864.70 × 13,591.33
  4. Step 4: Simplify right side
    28,591.74x = 582,588,283.05
  5. Step 5: Solve for x
    x = 582,588,283.05/28,591.74
  6. Step 6: Final answer
    x = 20,376.10

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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.