Home / 22,623.60-31,224.72-14,129.52

Finding the Fourth Proportional to 22,623.60, 31,224.72 and 14,129.52

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Solution

The fourth proportional to 22,623.60, 31,224.72 and 14,129.52 is: 19,501.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,623.60 : 31,224.72 = 14,129.52 : x
  2. Step 2: Convert to fraction form
    22,623.60/31,224.72 = 14,129.52/x
  3. Step 3: Cross multiply
    22,623.60x = 31,224.72 × 14,129.52
  4. Step 4: Simplify right side
    22,623.60x = 441,190,305.73
  5. Step 5: Solve for x
    x = 441,190,305.73/22,623.60
  6. Step 6: Final answer
    x = 19,501.33

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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.