Home / 25,725.79-38,588.82-9,086.10

Finding the Fourth Proportional to 25,725.79, 38,588.82 and 9,086.10

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Solution

The fourth proportional to 25,725.79, 38,588.82 and 9,086.10 is: 13,629.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,725.79 : 38,588.82 = 9,086.10 : x
  2. Step 2: Convert to fraction form
    25,725.79/38,588.82 = 9,086.10/x
  3. Step 3: Cross multiply
    25,725.79x = 38,588.82 × 9,086.10
  4. Step 4: Simplify right side
    25,725.79x = 350,621,877.40
  5. Step 5: Solve for x
    x = 350,621,877.40/25,725.79
  6. Step 6: Final answer
    x = 13,629.20

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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.