Home / 25,017.93-34,523.46-13,685.22

Finding the Fourth Proportional to 25,017.93, 34,523.46 and 13,685.22

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Solution

The fourth proportional to 25,017.93, 34,523.46 and 13,685.22 is: 18,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,017.93 : 34,523.46 = 13,685.22 : x
  2. Step 2: Convert to fraction form
    25,017.93/34,523.46 = 13,685.22/x
  3. Step 3: Cross multiply
    25,017.93x = 34,523.46 × 13,685.22
  4. Step 4: Simplify right side
    25,017.93x = 472,461,145.26
  5. Step 5: Solve for x
    x = 472,461,145.26/25,017.93
  6. Step 6: Final answer
    x = 18,884.90

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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.