Home / 21,386.43-32,079.65-5,804.06

Finding the Fourth Proportional to 21,386.43, 32,079.65 and 5,804.06

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Solution

The fourth proportional to 21,386.43, 32,079.65 and 5,804.06 is: 8,706.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,386.43 : 32,079.65 = 5,804.06 : x
  2. Step 2: Convert to fraction form
    21,386.43/32,079.65 = 5,804.06/x
  3. Step 3: Cross multiply
    21,386.43x = 32,079.65 × 5,804.06
  4. Step 4: Simplify right side
    21,386.43x = 186,192,023.96
  5. Step 5: Solve for x
    x = 186,192,023.96/21,386.43
  6. Step 6: Final answer
    x = 8,706.08

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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.