Home / 21,840.86-32,755.88-9,359.47

Finding the Fourth Proportional to 21,840.86, 32,755.88 and 9,359.47

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Solution

The fourth proportional to 21,840.86, 32,755.88 and 9,359.47 is: 14,036.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,840.86 : 32,755.88 = 9,359.47 : x
  2. Step 2: Convert to fraction form
    21,840.86/32,755.88 = 9,359.47/x
  3. Step 3: Cross multiply
    21,840.86x = 32,755.88 × 9,359.47
  4. Step 4: Simplify right side
    21,840.86x = 306,577,547.50
  5. Step 5: Solve for x
    x = 306,577,547.50/21,840.86
  6. Step 6: Final answer
    x = 14,036.88

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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.