Home / 27,809.60-41,660.64-15,460.16

Finding the Fourth Proportional to 27,809.60, 41,660.64 and 15,460.16

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Solution

The fourth proportional to 27,809.60, 41,660.64 and 15,460.16 is: 23,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,809.60 : 41,660.64 = 15,460.16 : x
  2. Step 2: Convert to fraction form
    27,809.60/41,660.64 = 15,460.16/x
  3. Step 3: Cross multiply
    27,809.60x = 41,660.64 × 15,460.16
  4. Step 4: Simplify right side
    27,809.60x = 644,080,160.10
  5. Step 5: Solve for x
    x = 644,080,160.10/27,809.60
  6. Step 6: Final answer
    x = 23,160.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.