Home / 27,916.18-38,524.04-15,340.66

Finding the Fourth Proportional to 27,916.18, 38,524.04 and 15,340.66

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Solution

The fourth proportional to 27,916.18, 38,524.04 and 15,340.66 is: 21,169.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,916.18 : 38,524.04 = 15,340.66 : x
  2. Step 2: Convert to fraction form
    27,916.18/38,524.04 = 15,340.66/x
  3. Step 3: Cross multiply
    27,916.18x = 38,524.04 × 15,340.66
  4. Step 4: Simplify right side
    27,916.18x = 590,984,199.47
  5. Step 5: Solve for x
    x = 590,984,199.47/27,916.18
  6. Step 6: Final answer
    x = 21,169.95

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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.