Home / 17,433.20-26,011.18-15,129.20

Finding the Fourth Proportional to 17,433.20, 26,011.18 and 15,129.20

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Solution

The fourth proportional to 17,433.20, 26,011.18 and 15,129.20 is: 22,573.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,433.20 : 26,011.18 = 15,129.20 : x
  2. Step 2: Convert to fraction form
    17,433.20/26,011.18 = 15,129.20/x
  3. Step 3: Cross multiply
    17,433.20x = 26,011.18 × 15,129.20
  4. Step 4: Simplify right side
    17,433.20x = 393,528,344.46
  5. Step 5: Solve for x
    x = 393,528,344.46/17,433.20
  6. Step 6: Final answer
    x = 22,573.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.