Home / 28,901.58-39,879.54-17,565.02

Finding the Fourth Proportional to 28,901.58, 39,879.54 and 17,565.02

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Solution

The fourth proportional to 28,901.58, 39,879.54 and 17,565.02 is: 24,236.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.58 : 39,879.54 = 17,565.02 : x
  2. Step 2: Convert to fraction form
    28,901.58/39,879.54 = 17,565.02/x
  3. Step 3: Cross multiply
    28,901.58x = 39,879.54 × 17,565.02
  4. Step 4: Simplify right side
    28,901.58x = 700,484,867.84
  5. Step 5: Solve for x
    x = 700,484,867.84/28,901.58
  6. Step 6: Final answer
    x = 24,236.91

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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.