Home / 20,729.04-28,623.96-17,774.16

Finding the Fourth Proportional to 20,729.04, 28,623.96 and 17,774.16

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Solution

The fourth proportional to 20,729.04, 28,623.96 and 17,774.16 is: 24,543.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,729.04 : 28,623.96 = 17,774.16 : x
  2. Step 2: Convert to fraction form
    20,729.04/28,623.96 = 17,774.16/x
  3. Step 3: Cross multiply
    20,729.04x = 28,623.96 × 17,774.16
  4. Step 4: Simplify right side
    20,729.04x = 508,766,844.87
  5. Step 5: Solve for x
    x = 508,766,844.87/20,729.04
  6. Step 6: Final answer
    x = 24,543.68

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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.