Home / 25,600.20-35,328.45-14,270.42

Finding the Fourth Proportional to 25,600.20, 35,328.45 and 14,270.42

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Solution

The fourth proportional to 25,600.20, 35,328.45 and 14,270.42 is: 19,693.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,600.20 : 35,328.45 = 14,270.42 : x
  2. Step 2: Convert to fraction form
    25,600.20/35,328.45 = 14,270.42/x
  3. Step 3: Cross multiply
    25,600.20x = 35,328.45 × 14,270.42
  4. Step 4: Simplify right side
    25,600.20x = 504,151,642.81
  5. Step 5: Solve for x
    x = 504,151,642.81/25,600.20
  6. Step 6: Final answer
    x = 19,693.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.