Home / 28,359.33-42,539.01-11,701.06

Finding the Fourth Proportional to 28,359.33, 42,539.01 and 11,701.06

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Solution

The fourth proportional to 28,359.33, 42,539.01 and 11,701.06 is: 17,551.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,359.33 : 42,539.01 = 11,701.06 : x
  2. Step 2: Convert to fraction form
    28,359.33/42,539.01 = 11,701.06/x
  3. Step 3: Cross multiply
    28,359.33x = 42,539.01 × 11,701.06
  4. Step 4: Simplify right side
    28,359.33x = 497,751,449.85
  5. Step 5: Solve for x
    x = 497,751,449.85/28,359.33
  6. Step 6: Final answer
    x = 17,551.59

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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.