Home / 25,662.30-38,428.65-19,052.70

Finding the Fourth Proportional to 25,662.30, 38,428.65 and 19,052.70

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Solution

The fourth proportional to 25,662.30, 38,428.65 and 19,052.70 is: 28,530.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,662.30 : 38,428.65 = 19,052.70 : x
  2. Step 2: Convert to fraction form
    25,662.30/38,428.65 = 19,052.70/x
  3. Step 3: Cross multiply
    25,662.30x = 38,428.65 × 19,052.70
  4. Step 4: Simplify right side
    25,662.30x = 732,169,539.86
  5. Step 5: Solve for x
    x = 732,169,539.86/25,662.30
  6. Step 6: Final answer
    x = 28,530.94

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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.