Home / 21,618.60-32,428.02-6,036.36

Finding the Fourth Proportional to 21,618.60, 32,428.02 and 6,036.36

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Solution

The fourth proportional to 21,618.60, 32,428.02 and 6,036.36 is: 9,054.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,618.60 : 32,428.02 = 6,036.36 : x
  2. Step 2: Convert to fraction form
    21,618.60/32,428.02 = 6,036.36/x
  3. Step 3: Cross multiply
    21,618.60x = 32,428.02 × 6,036.36
  4. Step 4: Simplify right side
    21,618.60x = 195,747,202.81
  5. Step 5: Solve for x
    x = 195,747,202.81/21,618.60
  6. Step 6: Final answer
    x = 9,054.57

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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.