Home / 25,500.49-38,256.14-7,971.64

Finding the Fourth Proportional to 25,500.49, 38,256.14 and 7,971.64

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Solution

The fourth proportional to 25,500.49, 38,256.14 and 7,971.64 is: 11,959.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,500.49 : 38,256.14 = 7,971.64 : x
  2. Step 2: Convert to fraction form
    25,500.49/38,256.14 = 7,971.64/x
  3. Step 3: Cross multiply
    25,500.49x = 38,256.14 × 7,971.64
  4. Step 4: Simplify right side
    25,500.49x = 304,964,136.01
  5. Step 5: Solve for x
    x = 304,964,136.01/25,500.49
  6. Step 6: Final answer
    x = 11,959.15

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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.