Home / 25,917.05-38,869.88-9,278.24

Finding the Fourth Proportional to 25,917.05, 38,869.88 and 9,278.24

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Solution

The fourth proportional to 25,917.05, 38,869.88 and 9,278.24 is: 13,915.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,917.05 : 38,869.88 = 9,278.24 : x
  2. Step 2: Convert to fraction form
    25,917.05/38,869.88 = 9,278.24/x
  3. Step 3: Cross multiply
    25,917.05x = 38,869.88 × 9,278.24
  4. Step 4: Simplify right side
    25,917.05x = 360,643,834.67
  5. Step 5: Solve for x
    x = 360,643,834.67/25,917.05
  6. Step 6: Final answer
    x = 13,915.31

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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.