Home / 17,527.28-26,291.40-7,139.12

Finding the Fourth Proportional to 17,527.28, 26,291.40 and 7,139.12

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Solution

The fourth proportional to 17,527.28, 26,291.40 and 7,139.12 is: 10,708.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,527.28 : 26,291.40 = 7,139.12 : x
  2. Step 2: Convert to fraction form
    17,527.28/26,291.40 = 7,139.12/x
  3. Step 3: Cross multiply
    17,527.28x = 26,291.40 × 7,139.12
  4. Step 4: Simplify right side
    17,527.28x = 187,697,459.57
  5. Step 5: Solve for x
    x = 187,697,459.57/17,527.28
  6. Step 6: Final answer
    x = 10,708.88

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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.