Home / 21,340.40-32,033.14-11,988.41

Finding the Fourth Proportional to 21,340.40, 32,033.14 and 11,988.41

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Solution

The fourth proportional to 21,340.40, 32,033.14 and 11,988.41 is: 17,995.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,340.40 : 32,033.14 = 11,988.41 : x
  2. Step 2: Convert to fraction form
    21,340.40/32,033.14 = 11,988.41/x
  3. Step 3: Cross multiply
    21,340.40x = 32,033.14 × 11,988.41
  4. Step 4: Simplify right side
    21,340.40x = 384,026,225.77
  5. Step 5: Solve for x
    x = 384,026,225.77/21,340.40
  6. Step 6: Final answer
    x = 17,995.27

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1.5x scale

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.