Home / 27,584.16-38,070.08-15,485.92

Finding the Fourth Proportional to 27,584.16, 38,070.08 and 15,485.92

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Solution

The fourth proportional to 27,584.16, 38,070.08 and 15,485.92 is: 21,372.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,584.16 : 38,070.08 = 15,485.92 : x
  2. Step 2: Convert to fraction form
    27,584.16/38,070.08 = 15,485.92/x
  3. Step 3: Cross multiply
    27,584.16x = 38,070.08 × 15,485.92
  4. Step 4: Simplify right side
    27,584.16x = 589,550,213.27
  5. Step 5: Solve for x
    x = 589,550,213.27/27,584.16
  6. Step 6: Final answer
    x = 21,372.78

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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.