Home / 27,486.64-37,931.76-14,911.36

Finding the Fourth Proportional to 27,486.64, 37,931.76 and 14,911.36

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Solution

The fourth proportional to 27,486.64, 37,931.76 and 14,911.36 is: 20,577.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,486.64 : 37,931.76 = 14,911.36 : x
  2. Step 2: Convert to fraction form
    27,486.64/37,931.76 = 14,911.36/x
  3. Step 3: Cross multiply
    27,486.64x = 37,931.76 × 14,911.36
  4. Step 4: Simplify right side
    27,486.64x = 565,614,128.79
  5. Step 5: Solve for x
    x = 565,614,128.79/27,486.64
  6. Step 6: Final answer
    x = 20,577.78

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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.