Home / 23,400.09-32,288.39-13,328.72

Finding the Fourth Proportional to 23,400.09, 32,288.39 and 13,328.72

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Solution

The fourth proportional to 23,400.09, 32,288.39 and 13,328.72 is: 18,391.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,400.09 : 32,288.39 = 13,328.72 : x
  2. Step 2: Convert to fraction form
    23,400.09/32,288.39 = 13,328.72/x
  3. Step 3: Cross multiply
    23,400.09x = 32,288.39 × 13,328.72
  4. Step 4: Simplify right side
    23,400.09x = 430,362,923.64
  5. Step 5: Solve for x
    x = 430,362,923.64/23,400.09
  6. Step 6: Final answer
    x = 18,391.51

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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.