Home / 23,640.46-32,618.19-13,429.24

Finding the Fourth Proportional to 23,640.46, 32,618.19 and 13,429.24

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Solution

The fourth proportional to 23,640.46, 32,618.19 and 13,429.24 is: 18,529.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,640.46 : 32,618.19 = 13,429.24 : x
  2. Step 2: Convert to fraction form
    23,640.46/32,618.19 = 13,429.24/x
  3. Step 3: Cross multiply
    23,640.46x = 32,618.19 × 13,429.24
  4. Step 4: Simplify right side
    23,640.46x = 438,037,501.88
  5. Step 5: Solve for x
    x = 438,037,501.88/23,640.46
  6. Step 6: Final answer
    x = 18,529.14

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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.