Home / 26,401.12-36,434.55-15,072.46

Finding the Fourth Proportional to 26,401.12, 36,434.55 and 15,072.46

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Solution

The fourth proportional to 26,401.12, 36,434.55 and 15,072.46 is: 20,800.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,401.12 : 36,434.55 = 15,072.46 : x
  2. Step 2: Convert to fraction form
    26,401.12/36,434.55 = 15,072.46/x
  3. Step 3: Cross multiply
    26,401.12x = 36,434.55 × 15,072.46
  4. Step 4: Simplify right side
    26,401.12x = 549,158,297.49
  5. Step 5: Solve for x
    x = 549,158,297.49/26,401.12
  6. Step 6: Final answer
    x = 20,800.57

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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.