Home / 27,549.60-38,025.36-15,620.10

Finding the Fourth Proportional to 27,549.60, 38,025.36 and 15,620.10

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Solution

The fourth proportional to 27,549.60, 38,025.36 and 15,620.10 is: 21,559.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,549.60 : 38,025.36 = 15,620.10 : x
  2. Step 2: Convert to fraction form
    27,549.60/38,025.36 = 15,620.10/x
  3. Step 3: Cross multiply
    27,549.60x = 38,025.36 × 15,620.10
  4. Step 4: Simplify right side
    27,549.60x = 593,959,925.74
  5. Step 5: Solve for x
    x = 593,959,925.74/27,549.60
  6. Step 6: Final answer
    x = 21,559.66

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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.