Home / 21,802.20-32,703.30-15,970.20

Finding the Fourth Proportional to 21,802.20, 32,703.30 and 15,970.20

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Solution

The fourth proportional to 21,802.20, 32,703.30 and 15,970.20 is: 23,955.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,802.20 : 32,703.30 = 15,970.20 : x
  2. Step 2: Convert to fraction form
    21,802.20/32,703.30 = 15,970.20/x
  3. Step 3: Cross multiply
    21,802.20x = 32,703.30 × 15,970.20
  4. Step 4: Simplify right side
    21,802.20x = 522,278,241.66
  5. Step 5: Solve for x
    x = 522,278,241.66/21,802.20
  6. Step 6: Final answer
    x = 23,955.30

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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.