Home / 25,518.76-38,285.91-13,047.54

Finding the Fourth Proportional to 25,518.76, 38,285.91 and 13,047.54

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Solution

The fourth proportional to 25,518.76, 38,285.91 and 13,047.54 is: 19,575.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,518.76 : 38,285.91 = 13,047.54 : x
  2. Step 2: Convert to fraction form
    25,518.76/38,285.91 = 13,047.54/x
  3. Step 3: Cross multiply
    25,518.76x = 38,285.91 × 13,047.54
  4. Step 4: Simplify right side
    25,518.76x = 499,536,798.59
  5. Step 5: Solve for x
    x = 499,536,798.59/25,518.76
  6. Step 6: Final answer
    x = 19,575.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.