Home / 28,711.77-39,614.98-16,767.51

Finding the Fourth Proportional to 28,711.77, 39,614.98 and 16,767.51

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Solution

The fourth proportional to 28,711.77, 39,614.98 and 16,767.51 is: 23,134.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,711.77 : 39,614.98 = 16,767.51 : x
  2. Step 2: Convert to fraction form
    28,711.77/39,614.98 = 16,767.51/x
  3. Step 3: Cross multiply
    28,711.77x = 39,614.98 × 16,767.51
  4. Step 4: Simplify right side
    28,711.77x = 664,244,573.30
  5. Step 5: Solve for x
    x = 664,244,573.30/28,711.77
  6. Step 6: Final answer
    x = 23,134.92

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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.