Home / 57,380.95-86,071.25-15,261.00

Finding the Fourth Proportional to 57,380.95, 86,071.25 and 15,261.00

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Solution

The fourth proportional to 57,380.95, 86,071.25 and 15,261.00 is: 22,891.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,380.95 : 86,071.25 = 15,261.00 : x
  2. Step 2: Convert to fraction form
    57,380.95/86,071.25 = 15,261.00/x
  3. Step 3: Cross multiply
    57,380.95x = 86,071.25 × 15,261.00
  4. Step 4: Simplify right side
    57,380.95x = 1,313,532,915.89
  5. Step 5: Solve for x
    x = 1,313,532,915.89/57,380.95
  6. Step 6: Final answer
    x = 22,891.45

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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.