Home / 28,749.76-43,090.08-15,601.60

Finding the Fourth Proportional to 28,749.76, 43,090.08 and 15,601.60

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Solution

The fourth proportional to 28,749.76, 43,090.08 and 15,601.60 is: 23,383.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749.76 : 43,090.08 = 15,601.60 : x
  2. Step 2: Convert to fraction form
    28,749.76/43,090.08 = 15,601.60/x
  3. Step 3: Cross multiply
    28,749.76x = 43,090.08 × 15,601.60
  4. Step 4: Simplify right side
    28,749.76x = 672,274,192.13
  5. Step 5: Solve for x
    x = 672,274,192.13/28,749.76
  6. Step 6: Final answer
    x = 23,383.65

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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.