Home / 28,873.53-39,844.35-18,124.20

Finding the Fourth Proportional to 28,873.53, 39,844.35 and 18,124.20

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Solution

The fourth proportional to 28,873.53, 39,844.35 and 18,124.20 is: 25,010.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873.53 : 39,844.35 = 18,124.20 : x
  2. Step 2: Convert to fraction form
    28,873.53/39,844.35 = 18,124.20/x
  3. Step 3: Cross multiply
    28,873.53x = 39,844.35 × 18,124.20
  4. Step 4: Simplify right side
    28,873.53x = 722,146,968.27
  5. Step 5: Solve for x
    x = 722,146,968.27/28,873.53
  6. Step 6: Final answer
    x = 25,010.69

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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.