Home / 25,541.66-38,312.50-8,012.90

Finding the Fourth Proportional to 25,541.66, 38,312.50 and 8,012.90

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Solution

The fourth proportional to 25,541.66, 38,312.50 and 8,012.90 is: 12,019.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,541.66 : 38,312.50 = 8,012.90 : x
  2. Step 2: Convert to fraction form
    25,541.66/38,312.50 = 8,012.90/x
  3. Step 3: Cross multiply
    25,541.66x = 38,312.50 × 8,012.90
  4. Step 4: Simplify right side
    25,541.66x = 306,994,231.25
  5. Step 5: Solve for x
    x = 306,994,231.25/25,541.66
  6. Step 6: Final answer
    x = 12,019.35

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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.