Home / 27,873.73-38,465.49-15,126.94

Finding the Fourth Proportional to 27,873.73, 38,465.49 and 15,126.94

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Solution

The fourth proportional to 27,873.73, 38,465.49 and 15,126.94 is: 20,875.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,873.73 : 38,465.49 = 15,126.94 : x
  2. Step 2: Convert to fraction form
    27,873.73/38,465.49 = 15,126.94/x
  3. Step 3: Cross multiply
    27,873.73x = 38,465.49 × 15,126.94
  4. Step 4: Simplify right side
    27,873.73x = 581,865,159.30
  5. Step 5: Solve for x
    x = 581,865,159.30/27,873.73
  6. Step 6: Final answer
    x = 20,875.04

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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.