Home / 21,345.32-32,001.53-8,018.02

Finding the Fourth Proportional to 21,345.32, 32,001.53 and 8,018.02

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Solution

The fourth proportional to 21,345.32, 32,001.53 and 8,018.02 is: 12,020.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,345.32 : 32,001.53 = 8,018.02 : x
  2. Step 2: Convert to fraction form
    21,345.32/32,001.53 = 8,018.02/x
  3. Step 3: Cross multiply
    21,345.32x = 32,001.53 × 8,018.02
  4. Step 4: Simplify right side
    21,345.32x = 256,588,952.58
  5. Step 5: Solve for x
    x = 256,588,952.58/21,345.32
  6. Step 6: Final answer
    x = 12,020.85

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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.