Home / 18,848.24-25,980.80-15,059.48

Finding the Fourth Proportional to 18,848.24, 25,980.80 and 15,059.48

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Solution

The fourth proportional to 18,848.24, 25,980.80 and 15,059.48 is: 20,758.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,848.24 : 25,980.80 = 15,059.48 : x
  2. Step 2: Convert to fraction form
    18,848.24/25,980.80 = 15,059.48/x
  3. Step 3: Cross multiply
    18,848.24x = 25,980.80 × 15,059.48
  4. Step 4: Simplify right side
    18,848.24x = 391,257,337.98
  5. Step 5: Solve for x
    x = 391,257,337.98/18,848.24
  6. Step 6: Final answer
    x = 20,758.30

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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.