Home / 25,847.28-38,720.16-17,055.36

Finding the Fourth Proportional to 25,847.28, 38,720.16 and 17,055.36

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Solution

The fourth proportional to 25,847.28, 38,720.16 and 17,055.36 is: 25,549.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,847.28 : 38,720.16 = 17,055.36 : x
  2. Step 2: Convert to fraction form
    25,847.28/38,720.16 = 17,055.36/x
  3. Step 3: Cross multiply
    25,847.28x = 38,720.16 × 17,055.36
  4. Step 4: Simplify right side
    25,847.28x = 660,386,268.06
  5. Step 5: Solve for x
    x = 660,386,268.06/25,847.28
  6. Step 6: Final answer
    x = 25,549.55

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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.