Home / 28,519.74-39,348.36-16,580.70

Finding the Fourth Proportional to 28,519.74, 39,348.36 and 16,580.70

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Solution

The fourth proportional to 28,519.74, 39,348.36 and 16,580.70 is: 22,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,519.74 : 39,348.36 = 16,580.70 : x
  2. Step 2: Convert to fraction form
    28,519.74/39,348.36 = 16,580.70/x
  3. Step 3: Cross multiply
    28,519.74x = 39,348.36 × 16,580.70
  4. Step 4: Simplify right side
    28,519.74x = 652,423,352.65
  5. Step 5: Solve for x
    x = 652,423,352.65/28,519.74
  6. Step 6: Final answer
    x = 22,876.20

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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.