Home / 28,101.93-42,173.65-13,310.84

Finding the Fourth Proportional to 28,101.93, 42,173.65 and 13,310.84

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Solution

The fourth proportional to 28,101.93, 42,173.65 and 13,310.84 is: 19,976.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,101.93 : 42,173.65 = 13,310.84 : x
  2. Step 2: Convert to fraction form
    28,101.93/42,173.65 = 13,310.84/x
  3. Step 3: Cross multiply
    28,101.93x = 42,173.65 × 13,310.84
  4. Step 4: Simplify right side
    28,101.93x = 561,366,792.00
  5. Step 5: Solve for x
    x = 561,366,792.00/28,101.93
  6. Step 6: Final answer
    x = 19,976.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.