Home / 27,827.55-38,402.13-15,080.76

Finding the Fourth Proportional to 27,827.55, 38,402.13 and 15,080.76

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Solution

The fourth proportional to 27,827.55, 38,402.13 and 15,080.76 is: 20,811.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,827.55 : 38,402.13 = 15,080.76 : x
  2. Step 2: Convert to fraction form
    27,827.55/38,402.13 = 15,080.76/x
  3. Step 3: Cross multiply
    27,827.55x = 38,402.13 × 15,080.76
  4. Step 4: Simplify right side
    27,827.55x = 579,133,306.02
  5. Step 5: Solve for x
    x = 579,133,306.02/27,827.55
  6. Step 6: Final answer
    x = 20,811.51

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Double scale
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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.