Home / 19,575.98-27,037.30-12,891.50

Finding the Fourth Proportional to 19,575.98, 27,037.30 and 12,891.50

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Solution

The fourth proportional to 19,575.98, 27,037.30 and 12,891.50 is: 17,805.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,575.98 : 27,037.30 = 12,891.50 : x
  2. Step 2: Convert to fraction form
    19,575.98/27,037.30 = 12,891.50/x
  3. Step 3: Cross multiply
    19,575.98x = 27,037.30 × 12,891.50
  4. Step 4: Simplify right side
    19,575.98x = 348,551,352.95
  5. Step 5: Solve for x
    x = 348,551,352.95/19,575.98
  6. Step 6: Final answer
    x = 17,805.05

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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.