Home / 25,430.54-38,108.95-18,049.41

Finding the Fourth Proportional to 25,430.54, 38,108.95 and 18,049.41

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Solution

The fourth proportional to 25,430.54, 38,108.95 and 18,049.41 is: 27,047.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,430.54 : 38,108.95 = 18,049.41 : x
  2. Step 2: Convert to fraction form
    25,430.54/38,108.95 = 18,049.41/x
  3. Step 3: Cross multiply
    25,430.54x = 38,108.95 × 18,049.41
  4. Step 4: Simplify right side
    25,430.54x = 687,844,018.10
  5. Step 5: Solve for x
    x = 687,844,018.10/25,430.54
  6. Step 6: Final answer
    x = 27,047.96

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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.