Home / 38,341.40-57,507.20-28,495.04

Finding the Fourth Proportional to 38,341.40, 57,507.20 and 28,495.04

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Solution

The fourth proportional to 38,341.40, 57,507.20 and 28,495.04 is: 42,738.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,341.40 : 57,507.20 = 28,495.04 : x
  2. Step 2: Convert to fraction form
    38,341.40/57,507.20 = 28,495.04/x
  3. Step 3: Cross multiply
    38,341.40x = 57,507.20 × 28,495.04
  4. Step 4: Simplify right side
    38,341.40x = 1,638,669,964.29
  5. Step 5: Solve for x
    x = 1,638,669,964.29/38,341.40
  6. Step 6: Final answer
    x = 42,738.92

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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.