Home / 25,777.36-38,680.60-10,984.72

Finding the Fourth Proportional to 25,777.36, 38,680.60 and 10,984.72

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Solution

The fourth proportional to 25,777.36, 38,680.60 and 10,984.72 is: 16,483.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,777.36 : 38,680.60 = 10,984.72 : x
  2. Step 2: Convert to fraction form
    25,777.36/38,680.60 = 10,984.72/x
  3. Step 3: Cross multiply
    25,777.36x = 38,680.60 × 10,984.72
  4. Step 4: Simplify right side
    25,777.36x = 424,895,560.43
  5. Step 5: Solve for x
    x = 424,895,560.43/25,777.36
  6. Step 6: Final answer
    x = 16,483.28

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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.