Home / 26,306.65-39,459.97-10,518.79

Finding the Fourth Proportional to 26,306.65, 39,459.97 and 10,518.79

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Solution

The fourth proportional to 26,306.65, 39,459.97 and 10,518.79 is: 15,778.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,306.65 : 39,459.97 = 10,518.79 : x
  2. Step 2: Convert to fraction form
    26,306.65/39,459.97 = 10,518.79/x
  3. Step 3: Cross multiply
    26,306.65x = 39,459.97 × 10,518.79
  4. Step 4: Simplify right side
    26,306.65x = 415,071,030.13
  5. Step 5: Solve for x
    x = 415,071,030.13/26,306.65
  6. Step 6: Final answer
    x = 15,778.18

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1.5x scale

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.