Home / 25,920.10-38,884.26-9,275.54

Finding the Fourth Proportional to 25,920.10, 38,884.26 and 9,275.54

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Solution

The fourth proportional to 25,920.10, 38,884.26 and 9,275.54 is: 13,914.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,920.10 : 38,884.26 = 9,275.54 : x
  2. Step 2: Convert to fraction form
    25,920.10/38,884.26 = 9,275.54/x
  3. Step 3: Cross multiply
    25,920.10x = 38,884.26 × 9,275.54
  4. Step 4: Simplify right side
    25,920.10x = 360,672,509.00
  5. Step 5: Solve for x
    x = 360,672,509.00/25,920.10
  6. Step 6: Final answer
    x = 13,914.78

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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.