Home / 21,350.99-32,030.60-6,557.28

Finding the Fourth Proportional to 21,350.99, 32,030.60 and 6,557.28

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Solution

The fourth proportional to 21,350.99, 32,030.60 and 6,557.28 is: 9,837.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,350.99 : 32,030.60 = 6,557.28 : x
  2. Step 2: Convert to fraction form
    21,350.99/32,030.60 = 6,557.28/x
  3. Step 3: Cross multiply
    21,350.99x = 32,030.60 × 6,557.28
  4. Step 4: Simplify right side
    21,350.99x = 210,033,579.98
  5. Step 5: Solve for x
    x = 210,033,579.98/21,350.99
  6. Step 6: Final answer
    x = 9,837.18

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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.