Home / 28,680.66-43,011.27-10,907.10

Finding the Fourth Proportional to 28,680.66, 43,011.27 and 10,907.10

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Solution

The fourth proportional to 28,680.66, 43,011.27 and 10,907.10 is: 16,356.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,680.66 : 43,011.27 = 10,907.10 : x
  2. Step 2: Convert to fraction form
    28,680.66/43,011.27 = 10,907.10/x
  3. Step 3: Cross multiply
    28,680.66x = 43,011.27 × 10,907.10
  4. Step 4: Simplify right side
    28,680.66x = 469,128,223.02
  5. Step 5: Solve for x
    x = 469,128,223.02/28,680.66
  6. Step 6: Final answer
    x = 16,356.95

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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.