Home / 25,221.20-37,828.72-10,428.19

Finding the Fourth Proportional to 25,221.20, 37,828.72 and 10,428.19

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Solution

The fourth proportional to 25,221.20, 37,828.72 and 10,428.19 is: 15,641.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,221.20 : 37,828.72 = 10,428.19 : x
  2. Step 2: Convert to fraction form
    25,221.20/37,828.72 = 10,428.19/x
  3. Step 3: Cross multiply
    25,221.20x = 37,828.72 × 10,428.19
  4. Step 4: Simplify right side
    25,221.20x = 394,485,210.87
  5. Step 5: Solve for x
    x = 394,485,210.87/25,221.20
  6. Step 6: Final answer
    x = 15,641.02

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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.