Home / 25,434.88-38,152.32-7,904.70

Finding the Fourth Proportional to 25,434.88, 38,152.32 and 7,904.70

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Solution

The fourth proportional to 25,434.88, 38,152.32 and 7,904.70 is: 11,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,434.88 : 38,152.32 = 7,904.70 : x
  2. Step 2: Convert to fraction form
    25,434.88/38,152.32 = 7,904.70/x
  3. Step 3: Cross multiply
    25,434.88x = 38,152.32 × 7,904.70
  4. Step 4: Simplify right side
    25,434.88x = 301,582,643.90
  5. Step 5: Solve for x
    x = 301,582,643.90/25,434.88
  6. Step 6: Final answer
    x = 11,857.05

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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.