Home / 26,143.21-36,071.80-14,811.72

Finding the Fourth Proportional to 26,143.21, 36,071.80 and 14,811.72

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Solution

The fourth proportional to 26,143.21, 36,071.80 and 14,811.72 is: 20,436.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,143.21 : 36,071.80 = 14,811.72 : x
  2. Step 2: Convert to fraction form
    26,143.21/36,071.80 = 14,811.72/x
  3. Step 3: Cross multiply
    26,143.21x = 36,071.80 × 14,811.72
  4. Step 4: Simplify right side
    26,143.21x = 534,285,401.50
  5. Step 5: Solve for x
    x = 534,285,401.50/26,143.21
  6. Step 6: Final answer
    x = 20,436.87

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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.