Home / 18,877.38-28,315.89-5,026.38

Finding the Fourth Proportional to 18,877.38, 28,315.89 and 5,026.38

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Solution

The fourth proportional to 18,877.38, 28,315.89 and 5,026.38 is: 7,539.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,877.38 : 28,315.89 = 5,026.38 : x
  2. Step 2: Convert to fraction form
    18,877.38/28,315.89 = 5,026.38/x
  3. Step 3: Cross multiply
    18,877.38x = 28,315.89 × 5,026.38
  4. Step 4: Simplify right side
    18,877.38x = 142,326,423.18
  5. Step 5: Solve for x
    x = 142,326,423.18/18,877.38
  6. Step 6: Final answer
    x = 7,539.52

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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.