Home / 21,973.71-32,960.53-8,826.07

Finding the Fourth Proportional to 21,973.71, 32,960.53 and 8,826.07

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Solution

The fourth proportional to 21,973.71, 32,960.53 and 8,826.07 is: 13,239.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973.71 : 32,960.53 = 8,826.07 : x
  2. Step 2: Convert to fraction form
    21,973.71/32,960.53 = 8,826.07/x
  3. Step 3: Cross multiply
    21,973.71x = 32,960.53 × 8,826.07
  4. Step 4: Simplify right side
    21,973.71x = 290,911,945.02
  5. Step 5: Solve for x
    x = 290,911,945.02/21,973.71
  6. Step 6: Final answer
    x = 13,239.09

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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.