Home / 21,718.33-32,595.95-8,579.93

Finding the Fourth Proportional to 21,718.33, 32,595.95 and 8,579.93

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Solution

The fourth proportional to 21,718.33, 32,595.95 and 8,579.93 is: 12,877.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,718.33 : 32,595.95 = 8,579.93 : x
  2. Step 2: Convert to fraction form
    21,718.33/32,595.95 = 8,579.93/x
  3. Step 3: Cross multiply
    21,718.33x = 32,595.95 × 8,579.93
  4. Step 4: Simplify right side
    21,718.33x = 279,670,827.75
  5. Step 5: Solve for x
    x = 279,670,827.75/21,718.33
  6. Step 6: Final answer
    x = 12,877.18

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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.