Home / 28,313.70-42,470.55-25,251.90

Finding the Fourth Proportional to 28,313.70, 42,470.55 and 25,251.90

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Solution

The fourth proportional to 28,313.70, 42,470.55 and 25,251.90 is: 37,877.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,313.70 : 42,470.55 = 25,251.90 : x
  2. Step 2: Convert to fraction form
    28,313.70/42,470.55 = 25,251.90/x
  3. Step 3: Cross multiply
    28,313.70x = 42,470.55 × 25,251.90
  4. Step 4: Simplify right side
    28,313.70x = 1,072,462,081.55
  5. Step 5: Solve for x
    x = 1,072,462,081.55/28,313.70
  6. Step 6: Final answer
    x = 37,877.85

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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.