Home / 27,727.74-38,264.40-15,152.76

Finding the Fourth Proportional to 27,727.74, 38,264.40 and 15,152.76

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Solution

The fourth proportional to 27,727.74, 38,264.40 and 15,152.76 is: 20,910.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,727.74 : 38,264.40 = 15,152.76 : x
  2. Step 2: Convert to fraction form
    27,727.74/38,264.40 = 15,152.76/x
  3. Step 3: Cross multiply
    27,727.74x = 38,264.40 × 15,152.76
  4. Step 4: Simplify right side
    27,727.74x = 579,811,269.74
  5. Step 5: Solve for x
    x = 579,811,269.74/27,727.74
  6. Step 6: Final answer
    x = 20,910.87

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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.