Home / 27,726.06-38,262.06-15,151.08

Finding the Fourth Proportional to 27,726.06, 38,262.06 and 15,151.08

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Solution

The fourth proportional to 27,726.06, 38,262.06 and 15,151.08 is: 20,908.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,726.06 : 38,262.06 = 15,151.08 : x
  2. Step 2: Convert to fraction form
    27,726.06/38,262.06 = 15,151.08/x
  3. Step 3: Cross multiply
    27,726.06x = 38,262.06 × 15,151.08
  4. Step 4: Simplify right side
    27,726.06x = 579,711,532.02
  5. Step 5: Solve for x
    x = 579,711,532.02/27,726.06
  6. Step 6: Final answer
    x = 20,908.54

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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.