Home / 25,686.80-38,501.40-10,893.20

Finding the Fourth Proportional to 25,686.80, 38,501.40 and 10,893.20

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Solution

The fourth proportional to 25,686.80, 38,501.40 and 10,893.20 is: 16,327.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,686.80 : 38,501.40 = 10,893.20 : x
  2. Step 2: Convert to fraction form
    25,686.80/38,501.40 = 10,893.20/x
  3. Step 3: Cross multiply
    25,686.80x = 38,501.40 × 10,893.20
  4. Step 4: Simplify right side
    25,686.80x = 419,403,450.48
  5. Step 5: Solve for x
    x = 419,403,450.48/25,686.80
  6. Step 6: Final answer
    x = 16,327.59

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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.