Home / 28,801.07-43,206.16-10,080.65

Finding the Fourth Proportional to 28,801.07, 43,206.16 and 10,080.65

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Solution

The fourth proportional to 28,801.07, 43,206.16 and 10,080.65 is: 15,122.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,801.07 : 43,206.16 = 10,080.65 : x
  2. Step 2: Convert to fraction form
    28,801.07/43,206.16 = 10,080.65/x
  3. Step 3: Cross multiply
    28,801.07x = 43,206.16 × 10,080.65
  4. Step 4: Simplify right side
    28,801.07x = 435,546,278.52
  5. Step 5: Solve for x
    x = 435,546,278.52/28,801.07
  6. Step 6: Final answer
    x = 15,122.57

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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.