Home / 23,639.13-32,623.47-13,028.74

Finding the Fourth Proportional to 23,639.13, 32,623.47 and 13,028.74

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Solution

The fourth proportional to 23,639.13, 32,623.47 and 13,028.74 is: 17,980.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,639.13 : 32,623.47 = 13,028.74 : x
  2. Step 2: Convert to fraction form
    23,639.13/32,623.47 = 13,028.74/x
  3. Step 3: Cross multiply
    23,639.13x = 32,623.47 × 13,028.74
  4. Step 4: Simplify right side
    23,639.13x = 425,042,626.97
  5. Step 5: Solve for x
    x = 425,042,626.97/23,639.13
  6. Step 6: Final answer
    x = 17,980.47

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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.