Home / 17,530.20-26,295.30-15,521.40

Finding the Fourth Proportional to 17,530.20, 26,295.30 and 15,521.40

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Solution

The fourth proportional to 17,530.20, 26,295.30 and 15,521.40 is: 23,282.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,530.20 : 26,295.30 = 15,521.40 : x
  2. Step 2: Convert to fraction form
    17,530.20/26,295.30 = 15,521.40/x
  3. Step 3: Cross multiply
    17,530.20x = 26,295.30 × 15,521.40
  4. Step 4: Simplify right side
    17,530.20x = 408,139,869.42
  5. Step 5: Solve for x
    x = 408,139,869.42/17,530.20
  6. Step 6: Final answer
    x = 23,282.10

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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.