Home / 26,538.89-36,623.61-15,928.52

Finding the Fourth Proportional to 26,538.89, 36,623.61 and 15,928.52

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Solution

The fourth proportional to 26,538.89, 36,623.61 and 15,928.52 is: 21,981.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,538.89 : 36,623.61 = 15,928.52 : x
  2. Step 2: Convert to fraction form
    26,538.89/36,623.61 = 15,928.52/x
  3. Step 3: Cross multiply
    26,538.89x = 36,623.61 × 15,928.52
  4. Step 4: Simplify right side
    26,538.89x = 583,359,721.24
  5. Step 5: Solve for x
    x = 583,359,721.24/26,538.89
  6. Step 6: Final answer
    x = 21,981.32

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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.