Home / 21,331.04-32,013.99-15,097.12

Finding the Fourth Proportional to 21,331.04, 32,013.99 and 15,097.12

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Solution

The fourth proportional to 21,331.04, 32,013.99 and 15,097.12 is: 22,658.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,331.04 : 32,013.99 = 15,097.12 : x
  2. Step 2: Convert to fraction form
    21,331.04/32,013.99 = 15,097.12/x
  3. Step 3: Cross multiply
    21,331.04x = 32,013.99 × 15,097.12
  4. Step 4: Simplify right side
    21,331.04x = 483,318,968.67
  5. Step 5: Solve for x
    x = 483,318,968.67/21,331.04
  6. Step 6: Final answer
    x = 22,658.02

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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.