Home / 27,017.28-37,287.76-19,488.56

Finding the Fourth Proportional to 27,017.28, 37,287.76 and 19,488.56

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Solution

The fourth proportional to 27,017.28, 37,287.76 and 19,488.56 is: 26,897.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,017.28 : 37,287.76 = 19,488.56 : x
  2. Step 2: Convert to fraction form
    27,017.28/37,287.76 = 19,488.56/x
  3. Step 3: Cross multiply
    27,017.28x = 37,287.76 × 19,488.56
  4. Step 4: Simplify right side
    27,017.28x = 726,684,748.03
  5. Step 5: Solve for x
    x = 726,684,748.03/27,017.28
  6. Step 6: Final answer
    x = 26,897.04

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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.