Home / 20,000.10-29,971.98-15,301.92

Finding the Fourth Proportional to 20,000.10, 29,971.98 and 15,301.92

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Solution

The fourth proportional to 20,000.10, 29,971.98 and 15,301.92 is: 22,931.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,000.10 : 29,971.98 = 15,301.92 : x
  2. Step 2: Convert to fraction form
    20,000.10/29,971.98 = 15,301.92/x
  3. Step 3: Cross multiply
    20,000.10x = 29,971.98 × 15,301.92
  4. Step 4: Simplify right side
    20,000.10x = 458,628,840.20
  5. Step 5: Solve for x
    x = 458,628,840.20/20,000.10
  6. Step 6: Final answer
    x = 22,931.33

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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.