Home / 26,931.10-40,415.10-9,400.93

Finding the Fourth Proportional to 26,931.10, 40,415.10 and 9,400.93

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Solution

The fourth proportional to 26,931.10, 40,415.10 and 9,400.93 is: 14,107.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,931.10 : 40,415.10 = 9,400.93 : x
  2. Step 2: Convert to fraction form
    26,931.10/40,415.10 = 9,400.93/x
  3. Step 3: Cross multiply
    26,931.10x = 40,415.10 × 9,400.93
  4. Step 4: Simplify right side
    26,931.10x = 379,939,442.63
  5. Step 5: Solve for x
    x = 379,939,442.63/26,931.10
  6. Step 6: Final answer
    x = 14,107.83

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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.