Home / 26,999.40-40,479.89-10,345.35

Finding the Fourth Proportional to 26,999.40, 40,479.89 and 10,345.35

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Solution

The fourth proportional to 26,999.40, 40,479.89 and 10,345.35 is: 15,510.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,999.40 : 40,479.89 = 10,345.35 : x
  2. Step 2: Convert to fraction form
    26,999.40/40,479.89 = 10,345.35/x
  3. Step 3: Cross multiply
    26,999.40x = 40,479.89 × 10,345.35
  4. Step 4: Simplify right side
    26,999.40x = 418,778,578.28
  5. Step 5: Solve for x
    x = 418,778,578.28/26,999.40
  6. Step 6: Final answer
    x = 15,510.66

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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.