Home / 25,108.40-34,695.44-18,290.56

Finding the Fourth Proportional to 25,108.40, 34,695.44 and 18,290.56

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Solution

The fourth proportional to 25,108.40, 34,695.44 and 18,290.56 is: 25,274.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,108.40 : 34,695.44 = 18,290.56 : x
  2. Step 2: Convert to fraction form
    25,108.40/34,695.44 = 18,290.56/x
  3. Step 3: Cross multiply
    25,108.40x = 34,695.44 × 18,290.56
  4. Step 4: Simplify right side
    25,108.40x = 634,598,762.12
  5. Step 5: Solve for x
    x = 634,598,762.12/25,108.40
  6. Step 6: Final answer
    x = 25,274.36

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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.