Home / 28,502.91-39,332.57-16,564.32

Finding the Fourth Proportional to 28,502.91, 39,332.57 and 16,564.32

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Solution

The fourth proportional to 28,502.91, 39,332.57 and 16,564.32 is: 22,857.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,502.91 : 39,332.57 = 16,564.32 : x
  2. Step 2: Convert to fraction form
    28,502.91/39,332.57 = 16,564.32/x
  3. Step 3: Cross multiply
    28,502.91x = 39,332.57 × 16,564.32
  4. Step 4: Simplify right side
    28,502.91x = 651,517,193.08
  5. Step 5: Solve for x
    x = 651,517,193.08/28,502.91
  6. Step 6: Final answer
    x = 22,857.92

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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.