Home / 27,726.60-38,223.18-17,109.12

Finding the Fourth Proportional to 27,726.60, 38,223.18 and 17,109.12

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Solution

The fourth proportional to 27,726.60, 38,223.18 and 17,109.12 is: 23,586.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,726.60 : 38,223.18 = 17,109.12 : x
  2. Step 2: Convert to fraction form
    27,726.60/38,223.18 = 17,109.12/x
  3. Step 3: Cross multiply
    27,726.60x = 38,223.18 × 17,109.12
  4. Step 4: Simplify right side
    27,726.60x = 653,964,973.40
  5. Step 5: Solve for x
    x = 653,964,973.40/27,726.60
  6. Step 6: Final answer
    x = 23,586.19

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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.