Home / 25,486.12-35,170.56-14,155.72

Finding the Fourth Proportional to 25,486.12, 35,170.56 and 14,155.72

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Solution

The fourth proportional to 25,486.12, 35,170.56 and 14,155.72 is: 19,534.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,486.12 : 35,170.56 = 14,155.72 : x
  2. Step 2: Convert to fraction form
    25,486.12/35,170.56 = 14,155.72/x
  3. Step 3: Cross multiply
    25,486.12x = 35,170.56 × 14,155.72
  4. Step 4: Simplify right side
    25,486.12x = 497,864,599.60
  5. Step 5: Solve for x
    x = 497,864,599.60/25,486.12
  6. Step 6: Final answer
    x = 19,534.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.