Home / 37,967.28-52,393.80-20,972.76

Finding the Fourth Proportional to 37,967.28, 52,393.80 and 20,972.76

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Solution

The fourth proportional to 37,967.28, 52,393.80 and 20,972.76 is: 28,941.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,967.28 : 52,393.80 = 20,972.76 : x
  2. Step 2: Convert to fraction form
    37,967.28/52,393.80 = 20,972.76/x
  3. Step 3: Cross multiply
    37,967.28x = 52,393.80 × 20,972.76
  4. Step 4: Simplify right side
    37,967.28x = 1,098,842,592.89
  5. Step 5: Solve for x
    x = 1,098,842,592.89/37,967.28
  6. Step 6: Final answer
    x = 28,941.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.