Home / 20,752.45-31,160.03-16,580.07

Finding the Fourth Proportional to 20,752.45, 31,160.03 and 16,580.07

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Solution

The fourth proportional to 20,752.45, 31,160.03 and 16,580.07 is: 24,895.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,752.45 : 31,160.03 = 16,580.07 : x
  2. Step 2: Convert to fraction form
    20,752.45/31,160.03 = 16,580.07/x
  3. Step 3: Cross multiply
    20,752.45x = 31,160.03 × 16,580.07
  4. Step 4: Simplify right side
    20,752.45x = 516,635,395.70
  5. Step 5: Solve for x
    x = 516,635,395.70/20,752.45
  6. Step 6: Final answer
    x = 24,895.15

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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.