Home / 25,930.55-35,784.62-15,320.16

Finding the Fourth Proportional to 25,930.55, 35,784.62 and 15,320.16

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Solution

The fourth proportional to 25,930.55, 35,784.62 and 15,320.16 is: 21,142.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,930.55 : 35,784.62 = 15,320.16 : x
  2. Step 2: Convert to fraction form
    25,930.55/35,784.62 = 15,320.16/x
  3. Step 3: Cross multiply
    25,930.55x = 35,784.62 × 15,320.16
  4. Step 4: Simplify right side
    25,930.55x = 548,226,027.34
  5. Step 5: Solve for x
    x = 548,226,027.34/25,930.55
  6. Step 6: Final answer
    x = 21,142.09

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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.