Home / 25,407.54-38,090.43-12,748.91

Finding the Fourth Proportional to 25,407.54, 38,090.43 and 12,748.91

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Solution

The fourth proportional to 25,407.54, 38,090.43 and 12,748.91 is: 19,112.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,407.54 : 38,090.43 = 12,748.91 : x
  2. Step 2: Convert to fraction form
    25,407.54/38,090.43 = 12,748.91/x
  3. Step 3: Cross multiply
    25,407.54x = 38,090.43 × 12,748.91
  4. Step 4: Simplify right side
    25,407.54x = 485,611,273.48
  5. Step 5: Solve for x
    x = 485,611,273.48/25,407.54
  6. Step 6: Final answer
    x = 19,112.88

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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.