Home / 18,528.29-27,776.87-15,009.57

Finding the Fourth Proportional to 18,528.29, 27,776.87 and 15,009.57

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Solution

The fourth proportional to 18,528.29, 27,776.87 and 15,009.57 is: 22,501.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.29 : 27,776.87 = 15,009.57 : x
  2. Step 2: Convert to fraction form
    18,528.29/27,776.87 = 15,009.57/x
  3. Step 3: Cross multiply
    18,528.29x = 27,776.87 × 15,009.57
  4. Step 4: Simplify right side
    18,528.29x = 416,918,799.60
  5. Step 5: Solve for x
    x = 416,918,799.60/18,528.29
  6. Step 6: Final answer
    x = 22,501.75

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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.