Home / 42,928.66-64,386.08-11,756.62

Finding the Fourth Proportional to 42,928.66, 64,386.08 and 11,756.62

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Solution

The fourth proportional to 42,928.66, 64,386.08 and 11,756.62 is: 17,633.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,928.66 : 64,386.08 = 11,756.62 : x
  2. Step 2: Convert to fraction form
    42,928.66/64,386.08 = 11,756.62/x
  3. Step 3: Cross multiply
    42,928.66x = 64,386.08 × 11,756.62
  4. Step 4: Simplify right side
    42,928.66x = 756,962,675.85
  5. Step 5: Solve for x
    x = 756,962,675.85/42,928.66
  6. Step 6: Final answer
    x = 17,633.04

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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.