Home / 21,577.28-32,376.96-15,702.56

Finding the Fourth Proportional to 21,577.28, 32,376.96 and 15,702.56

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Solution

The fourth proportional to 21,577.28, 32,376.96 and 15,702.56 is: 23,561.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,577.28 : 32,376.96 = 15,702.56 : x
  2. Step 2: Convert to fraction form
    21,577.28/32,376.96 = 15,702.56/x
  3. Step 3: Cross multiply
    21,577.28x = 32,376.96 × 15,702.56
  4. Step 4: Simplify right side
    21,577.28x = 508,401,157.02
  5. Step 5: Solve for x
    x = 508,401,157.02/21,577.28
  6. Step 6: Final answer
    x = 23,561.87

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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.