Home / 31,027.60-42,816.86-16,880.14

Finding the Fourth Proportional to 31,027.60, 42,816.86 and 16,880.14

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Solution

The fourth proportional to 31,027.60, 42,816.86 and 16,880.14 is: 23,293.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,027.60 : 42,816.86 = 16,880.14 : x
  2. Step 2: Convert to fraction form
    31,027.60/42,816.86 = 16,880.14/x
  3. Step 3: Cross multiply
    31,027.60x = 42,816.86 × 16,880.14
  4. Step 4: Simplify right side
    31,027.60x = 722,754,591.16
  5. Step 5: Solve for x
    x = 722,754,591.16/31,027.60
  6. Step 6: Final answer
    x = 23,293.93

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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.