Home / 28,275.19-39,018.24-16,175.92

Finding the Fourth Proportional to 28,275.19, 39,018.24 and 16,175.92

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Solution

The fourth proportional to 28,275.19, 39,018.24 and 16,175.92 is: 22,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,275.19 : 39,018.24 = 16,175.92 : x
  2. Step 2: Convert to fraction form
    28,275.19/39,018.24 = 16,175.92/x
  3. Step 3: Cross multiply
    28,275.19x = 39,018.24 × 16,175.92
  4. Step 4: Simplify right side
    28,275.19x = 631,155,904.39
  5. Step 5: Solve for x
    x = 631,155,904.39/28,275.19
  6. Step 6: Final answer
    x = 22,321.90

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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.