Home / 25,458.79-38,179.07-8,814.35

Finding the Fourth Proportional to 25,458.79, 38,179.07 and 8,814.35

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Solution

The fourth proportional to 25,458.79, 38,179.07 and 8,814.35 is: 13,218.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,458.79 : 38,179.07 = 8,814.35 : x
  2. Step 2: Convert to fraction form
    25,458.79/38,179.07 = 8,814.35/x
  3. Step 3: Cross multiply
    25,458.79x = 38,179.07 × 8,814.35
  4. Step 4: Simplify right side
    25,458.79x = 336,523,641.58
  5. Step 5: Solve for x
    x = 336,523,641.58/25,458.79
  6. Step 6: Final answer
    x = 13,218.37

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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.