Home / 27,158.83-37,478.52-15,059.36

Finding the Fourth Proportional to 27,158.83, 37,478.52 and 15,059.36

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Solution

The fourth proportional to 27,158.83, 37,478.52 and 15,059.36 is: 20,781.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,158.83 : 37,478.52 = 15,059.36 : x
  2. Step 2: Convert to fraction form
    27,158.83/37,478.52 = 15,059.36/x
  3. Step 3: Cross multiply
    27,158.83x = 37,478.52 × 15,059.36
  4. Step 4: Simplify right side
    27,158.83x = 564,402,539.35
  5. Step 5: Solve for x
    x = 564,402,539.35/27,158.83
  6. Step 6: Final answer
    x = 20,781.55

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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.