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Finding the Fourth Proportional to 38,347.76, 57,521.64 and 22,795.76

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Solution

The fourth proportional to 38,347.76, 57,521.64 and 22,795.76 is: 34,193.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,347.76 : 57,521.64 = 22,795.76 : x
  2. Step 2: Convert to fraction form
    38,347.76/57,521.64 = 22,795.76/x
  3. Step 3: Cross multiply
    38,347.76x = 57,521.64 × 22,795.76
  4. Step 4: Simplify right side
    38,347.76x = 1,311,249,500.25
  5. Step 5: Solve for x
    x = 1,311,249,500.25/38,347.76
  6. Step 6: Final answer
    x = 34,193.64

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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.