Home / 28,037.73-42,009.77-19,702.83

Finding the Fourth Proportional to 28,037.73, 42,009.77 and 19,702.83

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Solution

The fourth proportional to 28,037.73, 42,009.77 and 19,702.83 is: 29,521.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,037.73 : 42,009.77 = 19,702.83 : x
  2. Step 2: Convert to fraction form
    28,037.73/42,009.77 = 19,702.83/x
  3. Step 3: Cross multiply
    28,037.73x = 42,009.77 × 19,702.83
  4. Step 4: Simplify right side
    28,037.73x = 827,711,258.13
  5. Step 5: Solve for x
    x = 827,711,258.13/28,037.73
  6. Step 6: Final answer
    x = 29,521.34

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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.