Home / 25,461.08-38,168.53-13,760.63

Finding the Fourth Proportional to 25,461.08, 38,168.53 and 13,760.63

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Solution

The fourth proportional to 25,461.08, 38,168.53 and 13,760.63 is: 20,628.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,461.08 : 38,168.53 = 13,760.63 : x
  2. Step 2: Convert to fraction form
    25,461.08/38,168.53 = 13,760.63/x
  3. Step 3: Cross multiply
    25,461.08x = 38,168.53 × 13,760.63
  4. Step 4: Simplify right side
    25,461.08x = 525,222,759.33
  5. Step 5: Solve for x
    x = 525,222,759.33/25,461.08
  6. Step 6: Final answer
    x = 20,628.46

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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.