Home / 28,296.15-39,049.40-15,550.18

Finding the Fourth Proportional to 28,296.15, 39,049.40 and 15,550.18

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Solution

The fourth proportional to 28,296.15, 39,049.40 and 15,550.18 is: 21,459.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,296.15 : 39,049.40 = 15,550.18 : x
  2. Step 2: Convert to fraction form
    28,296.15/39,049.40 = 15,550.18/x
  3. Step 3: Cross multiply
    28,296.15x = 39,049.40 × 15,550.18
  4. Step 4: Simplify right side
    28,296.15x = 607,225,272.33
  5. Step 5: Solve for x
    x = 607,225,272.33/28,296.15
  6. Step 6: Final answer
    x = 21,459.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.