Home / 23,639.09-32,621.84-13,028.72

Finding the Fourth Proportional to 23,639.09, 32,621.84 and 13,028.72

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Solution

The fourth proportional to 23,639.09, 32,621.84 and 13,028.72 is: 17,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,639.09 : 32,621.84 = 13,028.72 : x
  2. Step 2: Convert to fraction form
    23,639.09/32,621.84 = 13,028.72/x
  3. Step 3: Cross multiply
    23,639.09x = 32,621.84 × 13,028.72
  4. Step 4: Simplify right side
    23,639.09x = 425,020,639.85
  5. Step 5: Solve for x
    x = 425,020,639.85/23,639.09
  6. Step 6: Final answer
    x = 17,979.57

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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.