Home / 25,605.18-38,407.59-7,137.18

Finding the Fourth Proportional to 25,605.18, 38,407.59 and 7,137.18

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Solution

The fourth proportional to 25,605.18, 38,407.59 and 7,137.18 is: 10,705.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,605.18 : 38,407.59 = 7,137.18 : x
  2. Step 2: Convert to fraction form
    25,605.18/38,407.59 = 7,137.18/x
  3. Step 3: Cross multiply
    25,605.18x = 38,407.59 × 7,137.18
  4. Step 4: Simplify right side
    25,605.18x = 274,121,883.20
  5. Step 5: Solve for x
    x = 274,121,883.20/25,605.18
  6. Step 6: Final answer
    x = 10,705.72

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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.