Home / 24,909.40-37,206.96-20,972.80

Finding the Fourth Proportional to 24,909.40, 37,206.96 and 20,972.80

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Solution

The fourth proportional to 24,909.40, 37,206.96 and 20,972.80 is: 31,326.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,909.40 : 37,206.96 = 20,972.80 : x
  2. Step 2: Convert to fraction form
    24,909.40/37,206.96 = 20,972.80/x
  3. Step 3: Cross multiply
    24,909.40x = 37,206.96 × 20,972.80
  4. Step 4: Simplify right side
    24,909.40x = 780,334,157.53
  5. Step 5: Solve for x
    x = 780,334,157.53/24,909.40
  6. Step 6: Final answer
    x = 31,326.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.