Home / 28,927.43-39,919.34-16,351.91

Finding the Fourth Proportional to 28,927.43, 39,919.34 and 16,351.91

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Solution

The fourth proportional to 28,927.43, 39,919.34 and 16,351.91 is: 22,565.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,927.43 : 39,919.34 = 16,351.91 : x
  2. Step 2: Convert to fraction form
    28,927.43/39,919.34 = 16,351.91/x
  3. Step 3: Cross multiply
    28,927.43x = 39,919.34 × 16,351.91
  4. Step 4: Simplify right side
    28,927.43x = 652,757,373.18
  5. Step 5: Solve for x
    x = 652,757,373.18/28,927.43
  6. Step 6: Final answer
    x = 22,565.34

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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.