Home / 25,260.10-37,890.15-11,220.10

Finding the Fourth Proportional to 25,260.10, 37,890.15 and 11,220.10

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Solution

The fourth proportional to 25,260.10, 37,890.15 and 11,220.10 is: 16,830.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,260.10 : 37,890.15 = 11,220.10 : x
  2. Step 2: Convert to fraction form
    25,260.10/37,890.15 = 11,220.10/x
  3. Step 3: Cross multiply
    25,260.10x = 37,890.15 × 11,220.10
  4. Step 4: Simplify right side
    25,260.10x = 425,131,272.02
  5. Step 5: Solve for x
    x = 425,131,272.02/25,260.10
  6. Step 6: Final answer
    x = 16,830.15

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Similar ratio
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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.