Home / 25,328.90-38,001.56-12,179.57

Finding the Fourth Proportional to 25,328.90, 38,001.56 and 12,179.57

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Solution

The fourth proportional to 25,328.90, 38,001.56 and 12,179.57 is: 18,273.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,328.90 : 38,001.56 = 12,179.57 : x
  2. Step 2: Convert to fraction form
    25,328.90/38,001.56 = 12,179.57/x
  3. Step 3: Cross multiply
    25,328.90x = 38,001.56 × 12,179.57
  4. Step 4: Simplify right side
    25,328.90x = 462,842,409.22
  5. Step 5: Solve for x
    x = 462,842,409.22/25,328.90
  6. Step 6: Final answer
    x = 18,273.29

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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.