Home / 26,931.32-40,415.43-9,401.15

Finding the Fourth Proportional to 26,931.32, 40,415.43 and 9,401.15

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Solution

The fourth proportional to 26,931.32, 40,415.43 and 9,401.15 is: 14,108.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,931.32 : 40,415.43 = 9,401.15 : x
  2. Step 2: Convert to fraction form
    26,931.32/40,415.43 = 9,401.15/x
  3. Step 3: Cross multiply
    26,931.32x = 40,415.43 × 9,401.15
  4. Step 4: Simplify right side
    26,931.32x = 379,951,395.20
  5. Step 5: Solve for x
    x = 379,951,395.20/26,931.32
  6. Step 6: Final answer
    x = 14,108.16

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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.