Home / 21,385.19-32,074.77-7,345.01

Finding the Fourth Proportional to 21,385.19, 32,074.77 and 7,345.01

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Solution

The fourth proportional to 21,385.19, 32,074.77 and 7,345.01 is: 11,016.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,385.19 : 32,074.77 = 7,345.01 : x
  2. Step 2: Convert to fraction form
    21,385.19/32,074.77 = 7,345.01/x
  3. Step 3: Cross multiply
    21,385.19x = 32,074.77 × 7,345.01
  4. Step 4: Simplify right side
    21,385.19x = 235,589,614.13
  5. Step 5: Solve for x
    x = 235,589,614.13/21,385.19
  6. Step 6: Final answer
    x = 11,016.48

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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.