Home / 28,065.77-42,062.20-11,406.41

Finding the Fourth Proportional to 28,065.77, 42,062.20 and 11,406.41

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Solution

The fourth proportional to 28,065.77, 42,062.20 and 11,406.41 is: 17,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,065.77 : 42,062.20 = 11,406.41 : x
  2. Step 2: Convert to fraction form
    28,065.77/42,062.20 = 11,406.41/x
  3. Step 3: Cross multiply
    28,065.77x = 42,062.20 × 11,406.41
  4. Step 4: Simplify right side
    28,065.77x = 479,778,698.70
  5. Step 5: Solve for x
    x = 479,778,698.70/28,065.77
  6. Step 6: Final answer
    x = 17,094.80

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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.