Home / 42,913.44-64,370.16-15,192

Finding the Fourth Proportional to 42,913.44, 64,370.16 and 15,192

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Solution

The fourth proportional to 42,913.44, 64,370.16 and 15,192 is: 22,788

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,913.44 : 64,370.16 = 15,192 : x
  2. Step 2: Convert to fraction form
    42,913.44/64,370.16 = 15,192/x
  3. Step 3: Cross multiply
    42,913.44x = 64,370.16 × 15,192
  4. Step 4: Simplify right side
    42,913.44x = 977,911,470.72
  5. Step 5: Solve for x
    x = 977,911,470.72/42,913.44
  6. Step 6: Final answer
    x = 22,788

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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.