Home / 25,869.34-38,803.73-18,239.22

Finding the Fourth Proportional to 25,869.34, 38,803.73 and 18,239.22

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Solution

The fourth proportional to 25,869.34, 38,803.73 and 18,239.22 is: 27,358.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,869.34 : 38,803.73 = 18,239.22 : x
  2. Step 2: Convert to fraction form
    25,869.34/38,803.73 = 18,239.22/x
  3. Step 3: Cross multiply
    25,869.34x = 38,803.73 × 18,239.22
  4. Step 4: Simplify right side
    25,869.34x = 707,749,768.29
  5. Step 5: Solve for x
    x = 707,749,768.29/25,869.34
  6. Step 6: Final answer
    x = 27,358.63

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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.