Home / 26,128.89-39,221.01-16,275.12

Finding the Fourth Proportional to 26,128.89, 39,221.01 and 16,275.12

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Solution

The fourth proportional to 26,128.89, 39,221.01 and 16,275.12 is: 24,429.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,128.89 : 39,221.01 = 16,275.12 : x
  2. Step 2: Convert to fraction form
    26,128.89/39,221.01 = 16,275.12/x
  3. Step 3: Cross multiply
    26,128.89x = 39,221.01 × 16,275.12
  4. Step 4: Simplify right side
    26,128.89x = 638,326,644.27
  5. Step 5: Solve for x
    x = 638,326,644.27/26,128.89
  6. Step 6: Final answer
    x = 24,429.92

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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.