Home / 28,858.88-43,312.80-11,340.92

Finding the Fourth Proportional to 28,858.88, 43,312.80 and 11,340.92

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Solution

The fourth proportional to 28,858.88, 43,312.80 and 11,340.92 is: 17,021.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858.88 : 43,312.80 = 11,340.92 : x
  2. Step 2: Convert to fraction form
    28,858.88/43,312.80 = 11,340.92/x
  3. Step 3: Cross multiply
    28,858.88x = 43,312.80 × 11,340.92
  4. Step 4: Simplify right side
    28,858.88x = 491,206,999.78
  5. Step 5: Solve for x
    x = 491,206,999.78/28,858.88
  6. Step 6: Final answer
    x = 17,021.00

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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.