Home / 25,202.40-34,784.56-15,131.26

Finding the Fourth Proportional to 25,202.40, 34,784.56 and 15,131.26

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Solution

The fourth proportional to 25,202.40, 34,784.56 and 15,131.26 is: 20,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,202.40 : 34,784.56 = 15,131.26 : x
  2. Step 2: Convert to fraction form
    25,202.40/34,784.56 = 15,131.26/x
  3. Step 3: Cross multiply
    25,202.40x = 34,784.56 × 15,131.26
  4. Step 4: Simplify right side
    25,202.40x = 526,334,283.74
  5. Step 5: Solve for x
    x = 526,334,283.74/25,202.40
  6. Step 6: Final answer
    x = 20,884.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.