Home / 27,540.84-38,004.21-15,606.05

Finding the Fourth Proportional to 27,540.84, 38,004.21 and 15,606.05

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Solution

The fourth proportional to 27,540.84, 38,004.21 and 15,606.05 is: 21,535.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,540.84 : 38,004.21 = 15,606.05 : x
  2. Step 2: Convert to fraction form
    27,540.84/38,004.21 = 15,606.05/x
  3. Step 3: Cross multiply
    27,540.84x = 38,004.21 × 15,606.05
  4. Step 4: Simplify right side
    27,540.84x = 593,095,411.45
  5. Step 5: Solve for x
    x = 593,095,411.45/27,540.84
  6. Step 6: Final answer
    x = 21,535.12

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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.