Home / 25,563.84-38,332.78-19,180.32

Finding the Fourth Proportional to 25,563.84, 38,332.78 and 19,180.32

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Solution

The fourth proportional to 25,563.84, 38,332.78 and 19,180.32 is: 28,760.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,563.84 : 38,332.78 = 19,180.32 : x
  2. Step 2: Convert to fraction form
    25,563.84/38,332.78 = 19,180.32/x
  3. Step 3: Cross multiply
    25,563.84x = 38,332.78 × 19,180.32
  4. Step 4: Simplify right side
    25,563.84x = 735,234,867.08
  5. Step 5: Solve for x
    x = 735,234,867.08/25,563.84
  6. Step 6: Final answer
    x = 28,760.74

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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.