Home / 25,020.09-37,470.33-13,899.20

Finding the Fourth Proportional to 25,020.09, 37,470.33 and 13,899.20

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Solution

The fourth proportional to 25,020.09, 37,470.33 and 13,899.20 is: 20,815.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,020.09 : 37,470.33 = 13,899.20 : x
  2. Step 2: Convert to fraction form
    25,020.09/37,470.33 = 13,899.20/x
  3. Step 3: Cross multiply
    25,020.09x = 37,470.33 × 13,899.20
  4. Step 4: Simplify right side
    25,020.09x = 520,807,423.38
  5. Step 5: Solve for x
    x = 520,807,423.38/25,020.09
  6. Step 6: Final answer
    x = 20,815.57

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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.