Home / 27,641.26-38,144.52-15,541.76

Finding the Fourth Proportional to 27,641.26, 38,144.52 and 15,541.76

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Solution

The fourth proportional to 27,641.26, 38,144.52 and 15,541.76 is: 21,447.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,641.26 : 38,144.52 = 15,541.76 : x
  2. Step 2: Convert to fraction form
    27,641.26/38,144.52 = 15,541.76/x
  3. Step 3: Cross multiply
    27,641.26x = 38,144.52 × 15,541.76
  4. Step 4: Simplify right side
    27,641.26x = 592,832,706.72
  5. Step 5: Solve for x
    x = 592,832,706.72/27,641.26
  6. Step 6: Final answer
    x = 21,447.38

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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.