Home / 26,655.21-40,019.67-13,516.74

Finding the Fourth Proportional to 26,655.21, 40,019.67 and 13,516.74

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Solution

The fourth proportional to 26,655.21, 40,019.67 and 13,516.74 is: 20,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,655.21 : 40,019.67 = 13,516.74 : x
  2. Step 2: Convert to fraction form
    26,655.21/40,019.67 = 13,516.74/x
  3. Step 3: Cross multiply
    26,655.21x = 40,019.67 × 13,516.74
  4. Step 4: Simplify right side
    26,655.21x = 540,935,474.28
  5. Step 5: Solve for x
    x = 540,935,474.28/26,655.21
  6. Step 6: Final answer
    x = 20,293.80

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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.