Home / 28,332.96-42,502.80-7,556.64

Finding the Fourth Proportional to 28,332.96, 42,502.80 and 7,556.64

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Solution

The fourth proportional to 28,332.96, 42,502.80 and 7,556.64 is: 11,335.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,332.96 : 42,502.80 = 7,556.64 : x
  2. Step 2: Convert to fraction form
    28,332.96/42,502.80 = 7,556.64/x
  3. Step 3: Cross multiply
    28,332.96x = 42,502.80 × 7,556.64
  4. Step 4: Simplify right side
    28,332.96x = 321,178,358.59
  5. Step 5: Solve for x
    x = 321,178,358.59/28,332.96
  6. Step 6: Final answer
    x = 11,335.86

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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.