Home / 27,895.95-38,496.30-15,149.05

Finding the Fourth Proportional to 27,895.95, 38,496.30 and 15,149.05

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Solution

The fourth proportional to 27,895.95, 38,496.30 and 15,149.05 is: 20,905.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,895.95 : 38,496.30 = 15,149.05 : x
  2. Step 2: Convert to fraction form
    27,895.95/38,496.30 = 15,149.05/x
  3. Step 3: Cross multiply
    27,895.95x = 38,496.30 × 15,149.05
  4. Step 4: Simplify right side
    27,895.95x = 583,182,222.91
  5. Step 5: Solve for x
    x = 583,182,222.91/27,895.95
  6. Step 6: Final answer
    x = 20,905.62

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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.