Home / 28,386.44-42,584.67-11,737.15

Finding the Fourth Proportional to 28,386.44, 42,584.67 and 11,737.15

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Solution

The fourth proportional to 28,386.44, 42,584.67 and 11,737.15 is: 17,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,386.44 : 42,584.67 = 11,737.15 : x
  2. Step 2: Convert to fraction form
    28,386.44/42,584.67 = 11,737.15/x
  3. Step 3: Cross multiply
    28,386.44x = 42,584.67 × 11,737.15
  4. Step 4: Simplify right side
    28,386.44x = 499,822,659.49
  5. Step 5: Solve for x
    x = 499,822,659.49/28,386.44
  6. Step 6: Final answer
    x = 17,607.80

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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.