Home / 28,299.20-42,443.31-26,894.30

Finding the Fourth Proportional to 28,299.20, 42,443.31 and 26,894.30

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Solution

The fourth proportional to 28,299.20, 42,443.31 and 26,894.30 is: 40,336.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,299.20 : 42,443.31 = 26,894.30 : x
  2. Step 2: Convert to fraction form
    28,299.20/42,443.31 = 26,894.30/x
  3. Step 3: Cross multiply
    28,299.20x = 42,443.31 × 26,894.30
  4. Step 4: Simplify right side
    28,299.20x = 1,141,483,112.13
  5. Step 5: Solve for x
    x = 1,141,483,112.13/28,299.20
  6. Step 6: Final answer
    x = 40,336.23

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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.