Home / 26,518.65-39,767.55-9,869.57

Finding the Fourth Proportional to 26,518.65, 39,767.55 and 9,869.57

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Solution

The fourth proportional to 26,518.65, 39,767.55 and 9,869.57 is: 14,800.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,518.65 : 39,767.55 = 9,869.57 : x
  2. Step 2: Convert to fraction form
    26,518.65/39,767.55 = 9,869.57/x
  3. Step 3: Cross multiply
    26,518.65x = 39,767.55 × 9,869.57
  4. Step 4: Simplify right side
    26,518.65x = 392,488,618.45
  5. Step 5: Solve for x
    x = 392,488,618.45/26,518.65
  6. Step 6: Final answer
    x = 14,800.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.