Home / 27,966.54-38,585.13-15,865.04

Finding the Fourth Proportional to 27,966.54, 38,585.13 and 15,865.04

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Solution

The fourth proportional to 27,966.54, 38,585.13 and 15,865.04 is: 21,888.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,966.54 : 38,585.13 = 15,865.04 : x
  2. Step 2: Convert to fraction form
    27,966.54/38,585.13 = 15,865.04/x
  3. Step 3: Cross multiply
    27,966.54x = 38,585.13 × 15,865.04
  4. Step 4: Simplify right side
    27,966.54x = 612,154,437.93
  5. Step 5: Solve for x
    x = 612,154,437.93/27,966.54
  6. Step 6: Final answer
    x = 21,888.82

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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.