Home / 25,643.40-38,428.65-22,508.70

Finding the Fourth Proportional to 25,643.40, 38,428.65 and 22,508.70

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Solution

The fourth proportional to 25,643.40, 38,428.65 and 22,508.70 is: 33,731.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,643.40 : 38,428.65 = 22,508.70 : x
  2. Step 2: Convert to fraction form
    25,643.40/38,428.65 = 22,508.70/x
  3. Step 3: Cross multiply
    25,643.40x = 38,428.65 × 22,508.70
  4. Step 4: Simplify right side
    25,643.40x = 864,978,954.26
  5. Step 5: Solve for x
    x = 864,978,954.26/25,643.40
  6. Step 6: Final answer
    x = 33,731.06

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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.