Home / 28,073.13-42,097.37-10,530.66

Finding the Fourth Proportional to 28,073.13, 42,097.37 and 10,530.66

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Solution

The fourth proportional to 28,073.13, 42,097.37 and 10,530.66 is: 15,791.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,073.13 : 42,097.37 = 10,530.66 : x
  2. Step 2: Convert to fraction form
    28,073.13/42,097.37 = 10,530.66/x
  3. Step 3: Cross multiply
    28,073.13x = 42,097.37 × 10,530.66
  4. Step 4: Simplify right side
    28,073.13x = 443,313,018.01
  5. Step 5: Solve for x
    x = 443,313,018.01/28,073.13
  6. Step 6: Final answer
    x = 15,791.36

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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.