Home / 38,216.28-52,737.78-21,220.56

Finding the Fourth Proportional to 38,216.28, 52,737.78 and 21,220.56

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Solution

The fourth proportional to 38,216.28, 52,737.78 and 21,220.56 is: 29,283.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,216.28 : 52,737.78 = 21,220.56 : x
  2. Step 2: Convert to fraction form
    38,216.28/52,737.78 = 21,220.56/x
  3. Step 3: Cross multiply
    38,216.28x = 52,737.78 × 21,220.56
  4. Step 4: Simplify right side
    38,216.28x = 1,119,125,224.76
  5. Step 5: Solve for x
    x = 1,119,125,224.76/38,216.28
  6. Step 6: Final answer
    x = 29,283.99

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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.