Home / 27,901.56-38,504.44-15,154.87

Finding the Fourth Proportional to 27,901.56, 38,504.44 and 15,154.87

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Solution

The fourth proportional to 27,901.56, 38,504.44 and 15,154.87 is: 20,913.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,901.56 : 38,504.44 = 15,154.87 : x
  2. Step 2: Convert to fraction form
    27,901.56/38,504.44 = 15,154.87/x
  3. Step 3: Cross multiply
    27,901.56x = 38,504.44 × 15,154.87
  4. Step 4: Simplify right side
    27,901.56x = 583,529,581.40
  5. Step 5: Solve for x
    x = 583,529,581.40/27,901.56
  6. Step 6: Final answer
    x = 20,913.87

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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.