Home / 23,250.39-32,085.57-12,640.02

Finding the Fourth Proportional to 23,250.39, 32,085.57 and 12,640.02

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Solution

The fourth proportional to 23,250.39, 32,085.57 and 12,640.02 is: 17,443.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,250.39 : 32,085.57 = 12,640.02 : x
  2. Step 2: Convert to fraction form
    23,250.39/32,085.57 = 12,640.02/x
  3. Step 3: Cross multiply
    23,250.39x = 32,085.57 × 12,640.02
  4. Step 4: Simplify right side
    23,250.39x = 405,562,373.21
  5. Step 5: Solve for x
    x = 405,562,373.21/23,250.39
  6. Step 6: Final answer
    x = 17,443.25

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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.