Home / 26,138.06-36,071.10-15,527.72

Finding the Fourth Proportional to 26,138.06, 36,071.10 and 15,527.72

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Solution

The fourth proportional to 26,138.06, 36,071.10 and 15,527.72 is: 21,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,138.06 : 36,071.10 = 15,527.72 : x
  2. Step 2: Convert to fraction form
    26,138.06/36,071.10 = 15,527.72/x
  3. Step 3: Cross multiply
    26,138.06x = 36,071.10 × 15,527.72
  4. Step 4: Simplify right side
    26,138.06x = 560,101,940.89
  5. Step 5: Solve for x
    x = 560,101,940.89/26,138.06
  6. Step 6: Final answer
    x = 21,428.60

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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.