Home / 42,750.72-64,011.06-27,922.86

Finding the Fourth Proportional to 42,750.72, 64,011.06 and 27,922.86

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Solution

The fourth proportional to 42,750.72, 64,011.06 and 27,922.86 is: 41,809.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,750.72 : 64,011.06 = 27,922.86 : x
  2. Step 2: Convert to fraction form
    42,750.72/64,011.06 = 27,922.86/x
  3. Step 3: Cross multiply
    42,750.72x = 64,011.06 × 27,922.86
  4. Step 4: Simplify right side
    42,750.72x = 1,787,371,866.83
  5. Step 5: Solve for x
    x = 1,787,371,866.83/42,750.72
  6. Step 6: Final answer
    x = 41,809.16

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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.