Home / 21,586.02-32,370.52-10,489.42

Finding the Fourth Proportional to 21,586.02, 32,370.52 and 10,489.42

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Solution

The fourth proportional to 21,586.02, 32,370.52 and 10,489.42 is: 15,729.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,586.02 : 32,370.52 = 10,489.42 : x
  2. Step 2: Convert to fraction form
    21,586.02/32,370.52 = 10,489.42/x
  3. Step 3: Cross multiply
    21,586.02x = 32,370.52 × 10,489.42
  4. Step 4: Simplify right side
    21,586.02x = 339,547,979.90
  5. Step 5: Solve for x
    x = 339,547,979.90/21,586.02
  6. Step 6: Final answer
    x = 15,729.99

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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.