Home / 18,449.28-25,436.16-15,262.08

Finding the Fourth Proportional to 18,449.28, 25,436.16 and 15,262.08

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Solution

The fourth proportional to 18,449.28, 25,436.16 and 15,262.08 is: 21,041.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.28 : 25,436.16 = 15,262.08 : x
  2. Step 2: Convert to fraction form
    18,449.28/25,436.16 = 15,262.08/x
  3. Step 3: Cross multiply
    18,449.28x = 25,436.16 × 15,262.08
  4. Step 4: Simplify right side
    18,449.28x = 388,208,708.81
  5. Step 5: Solve for x
    x = 388,208,708.81/18,449.28
  6. Step 6: Final answer
    x = 21,041.94

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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.