Home / 26,561.84-36,655.47-15,231.76

Finding the Fourth Proportional to 26,561.84, 36,655.47 and 15,231.76

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Solution

The fourth proportional to 26,561.84, 36,655.47 and 15,231.76 is: 21,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,561.84 : 36,655.47 = 15,231.76 : x
  2. Step 2: Convert to fraction form
    26,561.84/36,655.47 = 15,231.76/x
  3. Step 3: Cross multiply
    26,561.84x = 36,655.47 × 15,231.76
  4. Step 4: Simplify right side
    26,561.84x = 558,327,062.29
  5. Step 5: Solve for x
    x = 558,327,062.29/26,561.84
  6. Step 6: Final answer
    x = 21,019.90

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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.