Home / 21,679.53-32,537.81-15,454.77

Finding the Fourth Proportional to 21,679.53, 32,537.81 and 15,454.77

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Solution

The fourth proportional to 21,679.53, 32,537.81 and 15,454.77 is: 23,195.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,679.53 : 32,537.81 = 15,454.77 : x
  2. Step 2: Convert to fraction form
    21,679.53/32,537.81 = 15,454.77/x
  3. Step 3: Cross multiply
    21,679.53x = 32,537.81 × 15,454.77
  4. Step 4: Simplify right side
    21,679.53x = 502,864,369.85
  5. Step 5: Solve for x
    x = 502,864,369.85/21,679.53
  6. Step 6: Final answer
    x = 23,195.35

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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.