Home / 28,789.45-39,690.77-25,837.00

Finding the Fourth Proportional to 28,789.45, 39,690.77 and 25,837.00

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Solution

The fourth proportional to 28,789.45, 39,690.77 and 25,837.00 is: 35,620.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,789.45 : 39,690.77 = 25,837.00 : x
  2. Step 2: Convert to fraction form
    28,789.45/39,690.77 = 25,837.00/x
  3. Step 3: Cross multiply
    28,789.45x = 39,690.77 × 25,837.00
  4. Step 4: Simplify right side
    28,789.45x = 1,025,490,196.08
  5. Step 5: Solve for x
    x = 1,025,490,196.08/28,789.45
  6. Step 6: Final answer
    x = 35,620.35

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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.