Home / 25,929.28-35,788.28-18,367.68

Finding the Fourth Proportional to 25,929.28, 35,788.28 and 18,367.68

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Solution

The fourth proportional to 25,929.28, 35,788.28 and 18,367.68 is: 25,351.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,929.28 : 35,788.28 = 18,367.68 : x
  2. Step 2: Convert to fraction form
    25,929.28/35,788.28 = 18,367.68/x
  3. Step 3: Cross multiply
    25,929.28x = 35,788.28 × 18,367.68
  4. Step 4: Simplify right side
    25,929.28x = 657,347,674.79
  5. Step 5: Solve for x
    x = 657,347,674.79/25,929.28
  6. Step 6: Final answer
    x = 25,351.56

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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.