Home / 28,066.14-42,062.76-11,406.78

Finding the Fourth Proportional to 28,066.14, 42,062.76 and 11,406.78

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Solution

The fourth proportional to 28,066.14, 42,062.76 and 11,406.78 is: 17,095.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,066.14 : 42,062.76 = 11,406.78 : x
  2. Step 2: Convert to fraction form
    28,066.14/42,062.76 = 11,406.78/x
  3. Step 3: Cross multiply
    28,066.14x = 42,062.76 × 11,406.78
  4. Step 4: Simplify right side
    28,066.14x = 479,800,649.51
  5. Step 5: Solve for x
    x = 479,800,649.51/28,066.14
  6. Step 6: Final answer
    x = 17,095.36

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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.