Home / 22,910.40-31,615.20-14,529.60

Finding the Fourth Proportional to 22,910.40, 31,615.20 and 14,529.60

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Solution

The fourth proportional to 22,910.40, 31,615.20 and 14,529.60 is: 20,050.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,910.40 : 31,615.20 = 14,529.60 : x
  2. Step 2: Convert to fraction form
    22,910.40/31,615.20 = 14,529.60/x
  3. Step 3: Cross multiply
    22,910.40x = 31,615.20 × 14,529.60
  4. Step 4: Simplify right side
    22,910.40x = 459,356,209.92
  5. Step 5: Solve for x
    x = 459,356,209.92/22,910.40
  6. Step 6: Final answer
    x = 20,050.12

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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.