Home / 27,596.79-38,041.29-21,617.82

Finding the Fourth Proportional to 27,596.79, 38,041.29 and 21,617.82

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Solution

The fourth proportional to 27,596.79, 38,041.29 and 21,617.82 is: 29,799.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,596.79 : 38,041.29 = 21,617.82 : x
  2. Step 2: Convert to fraction form
    27,596.79/38,041.29 = 21,617.82/x
  3. Step 3: Cross multiply
    27,596.79x = 38,041.29 × 21,617.82
  4. Step 4: Simplify right side
    27,596.79x = 822,369,759.79
  5. Step 5: Solve for x
    x = 822,369,759.79/27,596.79
  6. Step 6: Final answer
    x = 29,799.47

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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.