Home / 25,851.78-38,779.56-8,334.18

Finding the Fourth Proportional to 25,851.78, 38,779.56 and 8,334.18

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Solution

The fourth proportional to 25,851.78, 38,779.56 and 8,334.18 is: 12,501.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,851.78 : 38,779.56 = 8,334.18 : x
  2. Step 2: Convert to fraction form
    25,851.78/38,779.56 = 8,334.18/x
  3. Step 3: Cross multiply
    25,851.78x = 38,779.56 × 8,334.18
  4. Step 4: Simplify right side
    25,851.78x = 323,195,833.36
  5. Step 5: Solve for x
    x = 323,195,833.36/25,851.78
  6. Step 6: Final answer
    x = 12,501.88

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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.