Home / 21,368.67-32,056.02-6,578.79

Finding the Fourth Proportional to 21,368.67, 32,056.02 and 6,578.79

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Solution

The fourth proportional to 21,368.67, 32,056.02 and 6,578.79 is: 9,869.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,368.67 : 32,056.02 = 6,578.79 : x
  2. Step 2: Convert to fraction form
    21,368.67/32,056.02 = 6,578.79/x
  3. Step 3: Cross multiply
    21,368.67x = 32,056.02 × 6,578.79
  4. Step 4: Simplify right side
    21,368.67x = 210,889,823.82
  5. Step 5: Solve for x
    x = 210,889,823.82/21,368.67
  6. Step 6: Final answer
    x = 9,869.11

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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.