Home / 15,904.80-23,857.20-15,102.90

Finding the Fourth Proportional to 15,904.80, 23,857.20 and 15,102.90

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Solution

The fourth proportional to 15,904.80, 23,857.20 and 15,102.90 is: 22,654.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,904.80 : 23,857.20 = 15,102.90 : x
  2. Step 2: Convert to fraction form
    15,904.80/23,857.20 = 15,102.90/x
  3. Step 3: Cross multiply
    15,904.80x = 23,857.20 × 15,102.90
  4. Step 4: Simplify right side
    15,904.80x = 360,312,905.88
  5. Step 5: Solve for x
    x = 360,312,905.88/15,904.80
  6. Step 6: Final answer
    x = 22,654.35

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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.