Home / 21,106.02-29,259.50-19,982.46

Finding the Fourth Proportional to 21,106.02, 29,259.50 and 19,982.46

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Solution

The fourth proportional to 21,106.02, 29,259.50 and 19,982.46 is: 27,701.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,106.02 : 29,259.50 = 19,982.46 : x
  2. Step 2: Convert to fraction form
    21,106.02/29,259.50 = 19,982.46/x
  3. Step 3: Cross multiply
    21,106.02x = 29,259.50 × 19,982.46
  4. Step 4: Simplify right side
    21,106.02x = 584,676,838.33
  5. Step 5: Solve for x
    x = 584,676,838.33/21,106.02
  6. Step 6: Final answer
    x = 27,701.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.