Home / 25,281.38-37,892.55-19,021.29

Finding the Fourth Proportional to 25,281.38, 37,892.55 and 19,021.29

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Solution

The fourth proportional to 25,281.38, 37,892.55 and 19,021.29 is: 28,509.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,281.38 : 37,892.55 = 19,021.29 : x
  2. Step 2: Convert to fraction form
    25,281.38/37,892.55 = 19,021.29/x
  3. Step 3: Cross multiply
    25,281.38x = 37,892.55 × 19,021.29
  4. Step 4: Simplify right side
    25,281.38x = 720,765,111.62
  5. Step 5: Solve for x
    x = 720,765,111.62/25,281.38
  6. Step 6: Final answer
    x = 28,509.72

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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.