Home / 18,228.77-25,100.34-15,030.08

Finding the Fourth Proportional to 18,228.77, 25,100.34 and 15,030.08

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Solution

The fourth proportional to 18,228.77, 25,100.34 and 15,030.08 is: 20,695.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.77 : 25,100.34 = 15,030.08 : x
  2. Step 2: Convert to fraction form
    18,228.77/25,100.34 = 15,030.08/x
  3. Step 3: Cross multiply
    18,228.77x = 25,100.34 × 15,030.08
  4. Step 4: Simplify right side
    18,228.77x = 377,260,093.05
  5. Step 5: Solve for x
    x = 377,260,093.05/18,228.77
  6. Step 6: Final answer
    x = 20,695.86

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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.