Home / 27,587.60-38,070.76-15,012.24

Finding the Fourth Proportional to 27,587.60, 38,070.76 and 15,012.24

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Solution

The fourth proportional to 27,587.60, 38,070.76 and 15,012.24 is: 20,716.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,587.60 : 38,070.76 = 15,012.24 : x
  2. Step 2: Convert to fraction form
    27,587.60/38,070.76 = 15,012.24/x
  3. Step 3: Cross multiply
    27,587.60x = 38,070.76 × 15,012.24
  4. Step 4: Simplify right side
    27,587.60x = 571,527,386.10
  5. Step 5: Solve for x
    x = 571,527,386.10/27,587.60
  6. Step 6: Final answer
    x = 20,716.82

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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.