Home / 27,265.19-37,644.62-20,880.51

Finding the Fourth Proportional to 27,265.19, 37,644.62 and 20,880.51

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Solution

The fourth proportional to 27,265.19, 37,644.62 and 20,880.51 is: 28,829.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,265.19 : 37,644.62 = 20,880.51 : x
  2. Step 2: Convert to fraction form
    27,265.19/37,644.62 = 20,880.51/x
  3. Step 3: Cross multiply
    27,265.19x = 37,644.62 × 20,880.51
  4. Step 4: Simplify right side
    27,265.19x = 786,038,759.95
  5. Step 5: Solve for x
    x = 786,038,759.95/27,265.19
  6. Step 6: Final answer
    x = 28,829.39

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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.