Home / 29,015.83-39,781.07-28,490.95

Finding the Fourth Proportional to 29,015.83, 39,781.07 and 28,490.95

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Solution

The fourth proportional to 29,015.83, 39,781.07 and 28,490.95 is: 39,061.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,015.83 : 39,781.07 = 28,490.95 : x
  2. Step 2: Convert to fraction form
    29,015.83/39,781.07 = 28,490.95/x
  3. Step 3: Cross multiply
    29,015.83x = 39,781.07 × 28,490.95
  4. Step 4: Simplify right side
    29,015.83x = 1,133,400,476.32
  5. Step 5: Solve for x
    x = 1,133,400,476.32/29,015.83
  6. Step 6: Final answer
    x = 39,061.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.