Home / 21,747.53-32,769.45-17,885.32

Finding the Fourth Proportional to 21,747.53, 32,769.45 and 17,885.32

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Solution

The fourth proportional to 21,747.53, 32,769.45 and 17,885.32 is: 26,949.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,747.53 : 32,769.45 = 17,885.32 : x
  2. Step 2: Convert to fraction form
    21,747.53/32,769.45 = 17,885.32/x
  3. Step 3: Cross multiply
    21,747.53x = 32,769.45 × 17,885.32
  4. Step 4: Simplify right side
    21,747.53x = 586,092,017.55
  5. Step 5: Solve for x
    x = 586,092,017.55/21,747.53
  6. Step 6: Final answer
    x = 26,949.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.