Home / 21,381.35-32,077.27-7,341.57

Finding the Fourth Proportional to 21,381.35, 32,077.27 and 7,341.57

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Solution

The fourth proportional to 21,381.35, 32,077.27 and 7,341.57 is: 11,014.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,381.35 : 32,077.27 = 7,341.57 : x
  2. Step 2: Convert to fraction form
    21,381.35/32,077.27 = 7,341.57/x
  3. Step 3: Cross multiply
    21,381.35x = 32,077.27 × 7,341.57
  4. Step 4: Simplify right side
    21,381.35x = 235,497,523.11
  5. Step 5: Solve for x
    x = 235,497,523.11/21,381.35
  6. Step 6: Final answer
    x = 11,014.16

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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.