Home / 26,570.49-39,864.98-11,789.79

Finding the Fourth Proportional to 26,570.49, 39,864.98 and 11,789.79

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Solution

The fourth proportional to 26,570.49, 39,864.98 and 11,789.79 is: 17,688.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,570.49 : 39,864.98 = 11,789.79 : x
  2. Step 2: Convert to fraction form
    26,570.49/39,864.98 = 11,789.79/x
  3. Step 3: Cross multiply
    26,570.49x = 39,864.98 × 11,789.79
  4. Step 4: Simplify right side
    26,570.49x = 469,999,742.55
  5. Step 5: Solve for x
    x = 469,999,742.55/26,570.49
  6. Step 6: Final answer
    x = 17,688.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.