Home / 27,500.80-37,950.08-15,564.39

Finding the Fourth Proportional to 27,500.80, 37,950.08 and 15,564.39

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Solution

The fourth proportional to 27,500.80, 37,950.08 and 15,564.39 is: 21,478.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,500.80 : 37,950.08 = 15,564.39 : x
  2. Step 2: Convert to fraction form
    27,500.80/37,950.08 = 15,564.39/x
  3. Step 3: Cross multiply
    27,500.80x = 37,950.08 × 15,564.39
  4. Step 4: Simplify right side
    27,500.80x = 590,669,845.65
  5. Step 5: Solve for x
    x = 590,669,845.65/27,500.80
  6. Step 6: Final answer
    x = 21,478.28

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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.