Home / 28,560.06-39,427.80-17,808.18

Finding the Fourth Proportional to 28,560.06, 39,427.80 and 17,808.18

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Solution

The fourth proportional to 28,560.06, 39,427.80 and 17,808.18 is: 24,584.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,560.06 : 39,427.80 = 17,808.18 : x
  2. Step 2: Convert to fraction form
    28,560.06/39,427.80 = 17,808.18/x
  3. Step 3: Cross multiply
    28,560.06x = 39,427.80 × 17,808.18
  4. Step 4: Simplify right side
    28,560.06x = 702,137,359.40
  5. Step 5: Solve for x
    x = 702,137,359.40/28,560.06
  6. Step 6: Final answer
    x = 24,584.59

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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.