Home / 27,526.48-38,002.28-18,122.38

Finding the Fourth Proportional to 27,526.48, 38,002.28 and 18,122.38

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Solution

The fourth proportional to 27,526.48, 38,002.28 and 18,122.38 is: 25,019.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,526.48 : 38,002.28 = 18,122.38 : x
  2. Step 2: Convert to fraction form
    27,526.48/38,002.28 = 18,122.38/x
  3. Step 3: Cross multiply
    27,526.48x = 38,002.28 × 18,122.38
  4. Step 4: Simplify right side
    27,526.48x = 688,691,759.03
  5. Step 5: Solve for x
    x = 688,691,759.03/27,526.48
  6. Step 6: Final answer
    x = 25,019.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.