Home / 25,357.05-37,988.19-21,223.62

Finding the Fourth Proportional to 25,357.05, 37,988.19 and 21,223.62

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Solution

The fourth proportional to 25,357.05, 37,988.19 and 21,223.62 is: 31,795.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,357.05 : 37,988.19 = 21,223.62 : x
  2. Step 2: Convert to fraction form
    25,357.05/37,988.19 = 21,223.62/x
  3. Step 3: Cross multiply
    25,357.05x = 37,988.19 × 21,223.62
  4. Step 4: Simplify right side
    25,357.05x = 806,246,909.05
  5. Step 5: Solve for x
    x = 806,246,909.05/25,357.05
  6. Step 6: Final answer
    x = 31,795.77

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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.