Home / 27,020.80-37,284.96-15,688.48

Finding the Fourth Proportional to 27,020.80, 37,284.96 and 15,688.48

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Solution

The fourth proportional to 27,020.80, 37,284.96 and 15,688.48 is: 21,647.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,020.80 : 37,284.96 = 15,688.48 : x
  2. Step 2: Convert to fraction form
    27,020.80/37,284.96 = 15,688.48/x
  3. Step 3: Cross multiply
    27,020.80x = 37,284.96 × 15,688.48
  4. Step 4: Simplify right side
    27,020.80x = 584,944,349.26
  5. Step 5: Solve for x
    x = 584,944,349.26/27,020.80
  6. Step 6: Final answer
    x = 21,647.93

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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.