Home / 26,871.96-37,080.50-15,539.72

Finding the Fourth Proportional to 26,871.96, 37,080.50 and 15,539.72

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Solution

The fourth proportional to 26,871.96, 37,080.50 and 15,539.72 is: 21,443.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,871.96 : 37,080.50 = 15,539.72 : x
  2. Step 2: Convert to fraction form
    26,871.96/37,080.50 = 15,539.72/x
  3. Step 3: Cross multiply
    26,871.96x = 37,080.50 × 15,539.72
  4. Step 4: Simplify right side
    26,871.96x = 576,220,587.46
  5. Step 5: Solve for x
    x = 576,220,587.46/26,871.96
  6. Step 6: Final answer
    x = 21,443.19

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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.