Home / 28,275.92-39,028.16-16,952.74

Finding the Fourth Proportional to 28,275.92, 39,028.16 and 16,952.74

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Solution

The fourth proportional to 28,275.92, 39,028.16 and 16,952.74 is: 23,399.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,275.92 : 39,028.16 = 16,952.74 : x
  2. Step 2: Convert to fraction form
    28,275.92/39,028.16 = 16,952.74/x
  3. Step 3: Cross multiply
    28,275.92x = 39,028.16 × 16,952.74
  4. Step 4: Simplify right side
    28,275.92x = 661,634,249.16
  5. Step 5: Solve for x
    x = 661,634,249.16/28,275.92
  6. Step 6: Final answer
    x = 23,399.21

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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.