Home / 25,802.85-38,705.13-9,162.66

Finding the Fourth Proportional to 25,802.85, 38,705.13 and 9,162.66

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Solution

The fourth proportional to 25,802.85, 38,705.13 and 9,162.66 is: 13,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,802.85 : 38,705.13 = 9,162.66 : x
  2. Step 2: Convert to fraction form
    25,802.85/38,705.13 = 9,162.66/x
  3. Step 3: Cross multiply
    25,802.85x = 38,705.13 × 9,162.66
  4. Step 4: Simplify right side
    25,802.85x = 354,641,946.45
  5. Step 5: Solve for x
    x = 354,641,946.45/25,802.85
  6. Step 6: Final answer
    x = 13,744.29

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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.