Home / 57,205.95-85,799.75-15,643.23

Finding the Fourth Proportional to 57,205.95, 85,799.75 and 15,643.23

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Solution

The fourth proportional to 57,205.95, 85,799.75 and 15,643.23 is: 23,462.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,205.95 : 85,799.75 = 15,643.23 : x
  2. Step 2: Convert to fraction form
    57,205.95/85,799.75 = 15,643.23/x
  3. Step 3: Cross multiply
    57,205.95x = 85,799.75 × 15,643.23
  4. Step 4: Simplify right side
    57,205.95x = 1,342,185,144.98
  5. Step 5: Solve for x
    x = 1,342,185,144.98/57,205.95
  6. Step 6: Final answer
    x = 23,462.33

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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.