Home / 28,227.28-38,952.72-15,652.96

Finding the Fourth Proportional to 28,227.28, 38,952.72 and 15,652.96

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Solution

The fourth proportional to 28,227.28, 38,952.72 and 15,652.96 is: 21,600.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.28 : 38,952.72 = 15,652.96 : x
  2. Step 2: Convert to fraction form
    28,227.28/38,952.72 = 15,652.96/x
  3. Step 3: Cross multiply
    28,227.28x = 38,952.72 × 15,652.96
  4. Step 4: Simplify right side
    28,227.28x = 609,725,368.05
  5. Step 5: Solve for x
    x = 609,725,368.05/28,227.28
  6. Step 6: Final answer
    x = 21,600.57

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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.