Home / 25,557.78-35,262.64-15,346.16

Finding the Fourth Proportional to 25,557.78, 35,262.64 and 15,346.16

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Solution

The fourth proportional to 25,557.78, 35,262.64 and 15,346.16 is: 21,173.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,557.78 : 35,262.64 = 15,346.16 : x
  2. Step 2: Convert to fraction form
    25,557.78/35,262.64 = 15,346.16/x
  3. Step 3: Cross multiply
    25,557.78x = 35,262.64 × 15,346.16
  4. Step 4: Simplify right side
    25,557.78x = 541,146,090.57
  5. Step 5: Solve for x
    x = 541,146,090.57/25,557.78
  6. Step 6: Final answer
    x = 21,173.44

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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.