Home / 23,710.73-32,721.75-13,639.17

Finding the Fourth Proportional to 23,710.73, 32,721.75 and 13,639.17

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Solution

The fourth proportional to 23,710.73, 32,721.75 and 13,639.17 is: 18,822.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,710.73 : 32,721.75 = 13,639.17 : x
  2. Step 2: Convert to fraction form
    23,710.73/32,721.75 = 13,639.17/x
  3. Step 3: Cross multiply
    23,710.73x = 32,721.75 × 13,639.17
  4. Step 4: Simplify right side
    23,710.73x = 446,297,510.95
  5. Step 5: Solve for x
    x = 446,297,510.95/23,710.73
  6. Step 6: Final answer
    x = 18,822.60

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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.