Home / 28,855.08-43,301.95-10,135.18

Finding the Fourth Proportional to 28,855.08, 43,301.95 and 10,135.18

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Solution

The fourth proportional to 28,855.08, 43,301.95 and 10,135.18 is: 15,209.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,855.08 : 43,301.95 = 10,135.18 : x
  2. Step 2: Convert to fraction form
    28,855.08/43,301.95 = 10,135.18/x
  3. Step 3: Cross multiply
    28,855.08x = 43,301.95 × 10,135.18
  4. Step 4: Simplify right side
    28,855.08x = 438,873,086.39
  5. Step 5: Solve for x
    x = 438,873,086.39/28,855.08
  6. Step 6: Final answer
    x = 15,209.56

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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.