Home / 26,731.09-40,070.17-12,666.25

Finding the Fourth Proportional to 26,731.09, 40,070.17 and 12,666.25

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Solution

The fourth proportional to 26,731.09, 40,070.17 and 12,666.25 is: 18,986.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,731.09 : 40,070.17 = 12,666.25 : x
  2. Step 2: Convert to fraction form
    26,731.09/40,070.17 = 12,666.25/x
  3. Step 3: Cross multiply
    26,731.09x = 40,070.17 × 12,666.25
  4. Step 4: Simplify right side
    26,731.09x = 507,538,790.76
  5. Step 5: Solve for x
    x = 507,538,790.76/26,731.09
  6. Step 6: Final answer
    x = 18,986.83

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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.