Home / 21,737.33-29,772.76-20,460.67

Finding the Fourth Proportional to 21,737.33, 29,772.76 and 20,460.67

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Solution

The fourth proportional to 21,737.33, 29,772.76 and 20,460.67 is: 28,024.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,737.33 : 29,772.76 = 20,460.67 : x
  2. Step 2: Convert to fraction form
    21,737.33/29,772.76 = 20,460.67/x
  3. Step 3: Cross multiply
    21,737.33x = 29,772.76 × 20,460.67
  4. Step 4: Simplify right side
    21,737.33x = 609,170,484.34
  5. Step 5: Solve for x
    x = 609,170,484.34/21,737.33
  6. Step 6: Final answer
    x = 28,024.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.