Home / 25,758.74-38,634.39-9,971.22

Finding the Fourth Proportional to 25,758.74, 38,634.39 and 9,971.22

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Solution

The fourth proportional to 25,758.74, 38,634.39 and 9,971.22 is: 14,955.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,758.74 : 38,634.39 = 9,971.22 : x
  2. Step 2: Convert to fraction form
    25,758.74/38,634.39 = 9,971.22/x
  3. Step 3: Cross multiply
    25,758.74x = 38,634.39 × 9,971.22
  4. Step 4: Simplify right side
    25,758.74x = 385,232,002.26
  5. Step 5: Solve for x
    x = 385,232,002.26/25,758.74
  6. Step 6: Final answer
    x = 14,955.39

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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.