Home / 21,937.02-32,898.87-18,428.10

Finding the Fourth Proportional to 21,937.02, 32,898.87 and 18,428.10

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Solution

The fourth proportional to 21,937.02, 32,898.87 and 18,428.10 is: 27,636.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,937.02 : 32,898.87 = 18,428.10 : x
  2. Step 2: Convert to fraction form
    21,937.02/32,898.87 = 18,428.10/x
  3. Step 3: Cross multiply
    21,937.02x = 32,898.87 × 18,428.10
  4. Step 4: Simplify right side
    21,937.02x = 606,263,666.25
  5. Step 5: Solve for x
    x = 606,263,666.25/21,937.02
  6. Step 6: Final answer
    x = 27,636.56

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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.