Home / 42,827.76-64,239.66-11,237.04

Finding the Fourth Proportional to 42,827.76, 64,239.66 and 11,237.04

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Solution

The fourth proportional to 42,827.76, 64,239.66 and 11,237.04 is: 16,855.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,827.76 : 64,239.66 = 11,237.04 : x
  2. Step 2: Convert to fraction form
    42,827.76/64,239.66 = 11,237.04/x
  3. Step 3: Cross multiply
    42,827.76x = 64,239.66 × 11,237.04
  4. Step 4: Simplify right side
    42,827.76x = 721,863,629.01
  5. Step 5: Solve for x
    x = 721,863,629.01/42,827.76
  6. Step 6: Final answer
    x = 16,855.04

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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.