Home / 21,570.86-32,333.25-15,396.14

Finding the Fourth Proportional to 21,570.86, 32,333.25 and 15,396.14

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Solution

The fourth proportional to 21,570.86, 32,333.25 and 15,396.14 is: 23,077.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,570.86 : 32,333.25 = 15,396.14 : x
  2. Step 2: Convert to fraction form
    21,570.86/32,333.25 = 15,396.14/x
  3. Step 3: Cross multiply
    21,570.86x = 32,333.25 × 15,396.14
  4. Step 4: Simplify right side
    21,570.86x = 497,807,243.66
  5. Step 5: Solve for x
    x = 497,807,243.66/21,570.86
  6. Step 6: Final answer
    x = 23,077.77

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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.