Home / 40,206.14-55,433.48-28,734.74

Finding the Fourth Proportional to 40,206.14, 55,433.48 and 28,734.74

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Solution

The fourth proportional to 40,206.14, 55,433.48 and 28,734.74 is: 39,617.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,206.14 : 55,433.48 = 28,734.74 : x
  2. Step 2: Convert to fraction form
    40,206.14/55,433.48 = 28,734.74/x
  3. Step 3: Cross multiply
    40,206.14x = 55,433.48 × 28,734.74
  4. Step 4: Simplify right side
    40,206.14x = 1,592,866,635.10
  5. Step 5: Solve for x
    x = 1,592,866,635.10/40,206.14
  6. Step 6: Final answer
    x = 39,617.50

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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.