Home / 17,988.24-26,981.40-5,508.27

Finding the Fourth Proportional to 17,988.24, 26,981.40 and 5,508.27

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Solution

The fourth proportional to 17,988.24, 26,981.40 and 5,508.27 is: 8,262.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.24 : 26,981.40 = 5,508.27 : x
  2. Step 2: Convert to fraction form
    17,988.24/26,981.40 = 5,508.27/x
  3. Step 3: Cross multiply
    17,988.24x = 26,981.40 × 5,508.27
  4. Step 4: Simplify right side
    17,988.24x = 148,620,836.18
  5. Step 5: Solve for x
    x = 148,620,836.18/17,988.24
  6. Step 6: Final answer
    x = 8,262.11

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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.