Home / 25,428.84-38,165.22-17,643.12

Finding the Fourth Proportional to 25,428.84, 38,165.22 and 17,643.12

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Solution

The fourth proportional to 25,428.84, 38,165.22 and 17,643.12 is: 26,479.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,428.84 : 38,165.22 = 17,643.12 : x
  2. Step 2: Convert to fraction form
    25,428.84/38,165.22 = 17,643.12/x
  3. Step 3: Cross multiply
    25,428.84x = 38,165.22 × 17,643.12
  4. Step 4: Simplify right side
    25,428.84x = 673,353,556.29
  5. Step 5: Solve for x
    x = 673,353,556.29/25,428.84
  6. Step 6: Final answer
    x = 26,479.92

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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.