Home / 28,298.70-42,442.56-26,893.80

Finding the Fourth Proportional to 28,298.70, 42,442.56 and 26,893.80

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Solution

The fourth proportional to 28,298.70, 42,442.56 and 26,893.80 is: 40,335.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,298.70 : 42,442.56 = 26,893.80 : x
  2. Step 2: Convert to fraction form
    28,298.70/42,442.56 = 26,893.80/x
  3. Step 3: Cross multiply
    28,298.70x = 42,442.56 × 26,893.80
  4. Step 4: Simplify right side
    28,298.70x = 1,141,441,720.13
  5. Step 5: Solve for x
    x = 1,141,441,720.13/28,298.70
  6. Step 6: Final answer
    x = 40,335.48

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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.