Home / 21,726.91-32,535.21-18,207.67

Finding the Fourth Proportional to 21,726.91, 32,535.21 and 18,207.67

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Solution

The fourth proportional to 21,726.91, 32,535.21 and 18,207.67 is: 27,265.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,726.91 : 32,535.21 = 18,207.67 : x
  2. Step 2: Convert to fraction form
    21,726.91/32,535.21 = 18,207.67/x
  3. Step 3: Cross multiply
    21,726.91x = 32,535.21 × 18,207.67
  4. Step 4: Simplify right side
    21,726.91x = 592,390,204.38
  5. Step 5: Solve for x
    x = 592,390,204.38/21,726.91
  6. Step 6: Final answer
    x = 27,265.28

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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.