Home / 26,374.80-39,497.40-19,765.20

Finding the Fourth Proportional to 26,374.80, 39,497.40 and 19,765.20

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Solution

The fourth proportional to 26,374.80, 39,497.40 and 19,765.20 is: 29,599.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,374.80 : 39,497.40 = 19,765.20 : x
  2. Step 2: Convert to fraction form
    26,374.80/39,497.40 = 19,765.20/x
  3. Step 3: Cross multiply
    26,374.80x = 39,497.40 × 19,765.20
  4. Step 4: Simplify right side
    26,374.80x = 780,674,010.48
  5. Step 5: Solve for x
    x = 780,674,010.48/26,374.80
  6. Step 6: Final answer
    x = 29,599.24

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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.