Home / 26,409.56-36,445.20-15,231.56

Finding the Fourth Proportional to 26,409.56, 36,445.20 and 15,231.56

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Solution

The fourth proportional to 26,409.56, 36,445.20 and 15,231.56 is: 21,019.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,409.56 : 36,445.20 = 15,231.56 : x
  2. Step 2: Convert to fraction form
    26,409.56/36,445.20 = 15,231.56/x
  3. Step 3: Cross multiply
    26,409.56x = 36,445.20 × 15,231.56
  4. Step 4: Simplify right side
    26,409.56x = 555,117,341.63
  5. Step 5: Solve for x
    x = 555,117,341.63/26,409.56
  6. Step 6: Final answer
    x = 21,019.56

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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.