Home / 22,838.76-31,518.70-13,884.80

Finding the Fourth Proportional to 22,838.76, 31,518.70 and 13,884.80

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Solution

The fourth proportional to 22,838.76, 31,518.70 and 13,884.80 is: 19,161.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,838.76 : 31,518.70 = 13,884.80 : x
  2. Step 2: Convert to fraction form
    22,838.76/31,518.70 = 13,884.80/x
  3. Step 3: Cross multiply
    22,838.76x = 31,518.70 × 13,884.80
  4. Step 4: Simplify right side
    22,838.76x = 437,630,845.76
  5. Step 5: Solve for x
    x = 437,630,845.76/22,838.76
  6. Step 6: Final answer
    x = 19,161.76

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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.