Home / 28,144.67-38,844.86-18,085.68

Finding the Fourth Proportional to 28,144.67, 38,844.86 and 18,085.68

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Solution

The fourth proportional to 28,144.67, 38,844.86 and 18,085.68 is: 24,961.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,144.67 : 38,844.86 = 18,085.68 : x
  2. Step 2: Convert to fraction form
    28,144.67/38,844.86 = 18,085.68/x
  3. Step 3: Cross multiply
    28,144.67x = 38,844.86 × 18,085.68
  4. Step 4: Simplify right side
    28,144.67x = 702,535,617.18
  5. Step 5: Solve for x
    x = 702,535,617.18/28,144.67
  6. Step 6: Final answer
    x = 24,961.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.