Home / 28,666.37-43,001.46-7,606.12

Finding the Fourth Proportional to 28,666.37, 43,001.46 and 7,606.12

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Solution

The fourth proportional to 28,666.37, 43,001.46 and 7,606.12 is: 11,409.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,666.37 : 43,001.46 = 7,606.12 : x
  2. Step 2: Convert to fraction form
    28,666.37/43,001.46 = 7,606.12/x
  3. Step 3: Cross multiply
    28,666.37x = 43,001.46 × 7,606.12
  4. Step 4: Simplify right side
    28,666.37x = 327,074,264.94
  5. Step 5: Solve for x
    x = 327,074,264.94/28,666.37
  6. Step 6: Final answer
    x = 11,409.69

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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.