Home / 21,719.84-32,583.89-7,484.54

Finding the Fourth Proportional to 21,719.84, 32,583.89 and 7,484.54

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Solution

The fourth proportional to 21,719.84, 32,583.89 and 7,484.54 is: 11,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,719.84 : 32,583.89 = 7,484.54 : x
  2. Step 2: Convert to fraction form
    21,719.84/32,583.89 = 7,484.54/x
  3. Step 3: Cross multiply
    21,719.84x = 32,583.89 × 7,484.54
  4. Step 4: Simplify right side
    21,719.84x = 243,875,428.06
  5. Step 5: Solve for x
    x = 243,875,428.06/21,719.84
  6. Step 6: Final answer
    x = 11,228.23

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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.