Home / 25,415.18-38,113.29-10,625.12

Finding the Fourth Proportional to 25,415.18, 38,113.29 and 10,625.12

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Solution

The fourth proportional to 25,415.18, 38,113.29 and 10,625.12 is: 15,933.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,415.18 : 38,113.29 = 10,625.12 : x
  2. Step 2: Convert to fraction form
    25,415.18/38,113.29 = 10,625.12/x
  3. Step 3: Cross multiply
    25,415.18x = 38,113.29 × 10,625.12
  4. Step 4: Simplify right side
    25,415.18x = 404,958,279.84
  5. Step 5: Solve for x
    x = 404,958,279.84/25,415.18
  6. Step 6: Final answer
    x = 15,933.72

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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.