Home / 23,920.15-35,880.23-7,278.70

Finding the Fourth Proportional to 23,920.15, 35,880.23 and 7,278.70

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Solution

The fourth proportional to 23,920.15, 35,880.23 and 7,278.70 is: 10,918.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,920.15 : 35,880.23 = 7,278.70 : x
  2. Step 2: Convert to fraction form
    23,920.15/35,880.23 = 7,278.70/x
  3. Step 3: Cross multiply
    23,920.15x = 35,880.23 × 7,278.70
  4. Step 4: Simplify right side
    23,920.15x = 261,161,430.10
  5. Step 5: Solve for x
    x = 261,161,430.10/23,920.15
  6. Step 6: Final answer
    x = 10,918.05

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Similar ratio
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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.