Home / 28,132.77-38,804.92-18,045.24

Finding the Fourth Proportional to 28,132.77, 38,804.92 and 18,045.24

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Solution

The fourth proportional to 28,132.77, 38,804.92 and 18,045.24 is: 24,890.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,132.77 : 38,804.92 = 18,045.24 : x
  2. Step 2: Convert to fraction form
    28,132.77/38,804.92 = 18,045.24/x
  3. Step 3: Cross multiply
    28,132.77x = 38,804.92 × 18,045.24
  4. Step 4: Simplify right side
    28,132.77x = 700,244,094.58
  5. Step 5: Solve for x
    x = 700,244,094.58/28,132.77
  6. Step 6: Final answer
    x = 24,890.69

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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.