Home / 21,372.19-32,058.28-5,789.81

Finding the Fourth Proportional to 21,372.19, 32,058.28 and 5,789.81

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Solution

The fourth proportional to 21,372.19, 32,058.28 and 5,789.81 is: 8,684.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,372.19 : 32,058.28 = 5,789.81 : x
  2. Step 2: Convert to fraction form
    21,372.19/32,058.28 = 5,789.81/x
  3. Step 3: Cross multiply
    21,372.19x = 32,058.28 × 5,789.81
  4. Step 4: Simplify right side
    21,372.19x = 185,611,437.51
  5. Step 5: Solve for x
    x = 185,611,437.51/21,372.19
  6. Step 6: Final answer
    x = 8,684.72

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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.