Home / 27,965.84-38,592.83-15,390.59

Finding the Fourth Proportional to 27,965.84, 38,592.83 and 15,390.59

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Solution

The fourth proportional to 27,965.84, 38,592.83 and 15,390.59 is: 21,239.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,965.84 : 38,592.83 = 15,390.59 : x
  2. Step 2: Convert to fraction form
    27,965.84/38,592.83 = 15,390.59/x
  3. Step 3: Cross multiply
    27,965.84x = 38,592.83 × 15,390.59
  4. Step 4: Simplify right side
    27,965.84x = 593,966,268.98
  5. Step 5: Solve for x
    x = 593,966,268.98/27,965.84
  6. Step 6: Final answer
    x = 21,239.00

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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.