Home / 25,738.81-38,607.80-8,208.52

Finding the Fourth Proportional to 25,738.81, 38,607.80 and 8,208.52

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Solution

The fourth proportional to 25,738.81, 38,607.80 and 8,208.52 is: 12,312.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,738.81 : 38,607.80 = 8,208.52 : x
  2. Step 2: Convert to fraction form
    25,738.81/38,607.80 = 8,208.52/x
  3. Step 3: Cross multiply
    25,738.81x = 38,607.80 × 8,208.52
  4. Step 4: Simplify right side
    25,738.81x = 316,912,822.46
  5. Step 5: Solve for x
    x = 316,912,822.46/25,738.81
  6. Step 6: Final answer
    x = 12,312.65

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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.