Home / 27,726.79-38,262.95-15,151.54

Finding the Fourth Proportional to 27,726.79, 38,262.95 and 15,151.54

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Solution

The fourth proportional to 27,726.79, 38,262.95 and 15,151.54 is: 20,909.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,726.79 : 38,262.95 = 15,151.54 : x
  2. Step 2: Convert to fraction form
    27,726.79/38,262.95 = 15,151.54/x
  3. Step 3: Cross multiply
    27,726.79x = 38,262.95 × 15,151.54
  4. Step 4: Simplify right side
    27,726.79x = 579,742,617.44
  5. Step 5: Solve for x
    x = 579,742,617.44/27,726.79
  6. Step 6: Final answer
    x = 20,909.11

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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.