Home / 28,873.38-39,845.88-16,298.40

Finding the Fourth Proportional to 28,873.38, 39,845.88 and 16,298.40

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Solution

The fourth proportional to 28,873.38, 39,845.88 and 16,298.40 is: 22,492.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873.38 : 39,845.88 = 16,298.40 : x
  2. Step 2: Convert to fraction form
    28,873.38/39,845.88 = 16,298.40/x
  3. Step 3: Cross multiply
    28,873.38x = 39,845.88 × 16,298.40
  4. Step 4: Simplify right side
    28,873.38x = 649,424,090.59
  5. Step 5: Solve for x
    x = 649,424,090.59/28,873.38
  6. Step 6: Final answer
    x = 22,492.14

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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.