Home / 27,752.60-38,289.40-15,651.59

Finding the Fourth Proportional to 27,752.60, 38,289.40 and 15,651.59

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Solution

The fourth proportional to 27,752.60, 38,289.40 and 15,651.59 is: 21,594.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,752.60 : 38,289.40 = 15,651.59 : x
  2. Step 2: Convert to fraction form
    27,752.60/38,289.40 = 15,651.59/x
  3. Step 3: Cross multiply
    27,752.60x = 38,289.40 × 15,651.59
  4. Step 4: Simplify right side
    27,752.60x = 599,289,759.57
  5. Step 5: Solve for x
    x = 599,289,759.57/27,752.60
  6. Step 6: Final answer
    x = 21,594.00

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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.