Home / 21,376.32-32,036.53-11,494.32

Finding the Fourth Proportional to 21,376.32, 32,036.53 and 11,494.32

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Solution

The fourth proportional to 21,376.32, 32,036.53 and 11,494.32 is: 17,226.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376.32 : 32,036.53 = 11,494.32 : x
  2. Step 2: Convert to fraction form
    21,376.32/32,036.53 = 11,494.32/x
  3. Step 3: Cross multiply
    21,376.32x = 32,036.53 × 11,494.32
  4. Step 4: Simplify right side
    21,376.32x = 368,238,127.51
  5. Step 5: Solve for x
    x = 368,238,127.51/21,376.32
  6. Step 6: Final answer
    x = 17,226.45

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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.