Home / 21,948.02-32,857.40-13,601.21

Finding the Fourth Proportional to 21,948.02, 32,857.40 and 13,601.21

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Solution

The fourth proportional to 21,948.02, 32,857.40 and 13,601.21 is: 20,361.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948.02 : 32,857.40 = 13,601.21 : x
  2. Step 2: Convert to fraction form
    21,948.02/32,857.40 = 13,601.21/x
  3. Step 3: Cross multiply
    21,948.02x = 32,857.40 × 13,601.21
  4. Step 4: Simplify right side
    21,948.02x = 446,900,397.45
  5. Step 5: Solve for x
    x = 446,900,397.45/21,948.02
  6. Step 6: Final answer
    x = 20,361.76

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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.