Home / 34,726.80-47,879.41-28,346.91

Finding the Fourth Proportional to 34,726.80, 47,879.41 and 28,346.91

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Solution

The fourth proportional to 34,726.80, 47,879.41 and 28,346.91 is: 39,083.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,726.80 : 47,879.41 = 28,346.91 : x
  2. Step 2: Convert to fraction form
    34,726.80/47,879.41 = 28,346.91/x
  3. Step 3: Cross multiply
    34,726.80x = 47,879.41 × 28,346.91
  4. Step 4: Simplify right side
    34,726.80x = 1,357,233,326.12
  5. Step 5: Solve for x
    x = 1,357,233,326.12/34,726.80
  6. Step 6: Final answer
    x = 39,083.17

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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.