Home / 27,322.16-37,701.46-15,385.20

Finding the Fourth Proportional to 27,322.16, 37,701.46 and 15,385.20

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Solution

The fourth proportional to 27,322.16, 37,701.46 and 15,385.20 is: 21,229.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,322.16 : 37,701.46 = 15,385.20 : x
  2. Step 2: Convert to fraction form
    27,322.16/37,701.46 = 15,385.20/x
  3. Step 3: Cross multiply
    27,322.16x = 37,701.46 × 15,385.20
  4. Step 4: Simplify right side
    27,322.16x = 580,044,502.39
  5. Step 5: Solve for x
    x = 580,044,502.39/27,322.16
  6. Step 6: Final answer
    x = 21,229.82

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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.