Home / 25,486.08-35,171.20-14,307.84

Finding the Fourth Proportional to 25,486.08, 35,171.20 and 14,307.84

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Solution

The fourth proportional to 25,486.08, 35,171.20 and 14,307.84 is: 19,745.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,486.08 : 35,171.20 = 14,307.84 : x
  2. Step 2: Convert to fraction form
    25,486.08/35,171.20 = 14,307.84/x
  3. Step 3: Cross multiply
    25,486.08x = 35,171.20 × 14,307.84
  4. Step 4: Simplify right side
    25,486.08x = 503,223,902.21
  5. Step 5: Solve for x
    x = 503,223,902.21/25,486.08
  6. Step 6: Final answer
    x = 19,745.05

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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.