Home / 23,361.71-32,240.21-13,156.25

Finding the Fourth Proportional to 23,361.71, 32,240.21 and 13,156.25

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Solution

The fourth proportional to 23,361.71, 32,240.21 and 13,156.25 is: 18,156.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,361.71 : 32,240.21 = 13,156.25 : x
  2. Step 2: Convert to fraction form
    23,361.71/32,240.21 = 13,156.25/x
  3. Step 3: Cross multiply
    23,361.71x = 32,240.21 × 13,156.25
  4. Step 4: Simplify right side
    23,361.71x = 424,160,035.83
  5. Step 5: Solve for x
    x = 424,160,035.83/23,361.71
  6. Step 6: Final answer
    x = 18,156.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.