Home / 19,975.49-27,565.25-11,471.63

Finding the Fourth Proportional to 19,975.49, 27,565.25 and 11,471.63

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Solution

The fourth proportional to 19,975.49, 27,565.25 and 11,471.63 is: 15,830.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,975.49 : 27,565.25 = 11,471.63 : x
  2. Step 2: Convert to fraction form
    19,975.49/27,565.25 = 11,471.63/x
  3. Step 3: Cross multiply
    19,975.49x = 27,565.25 × 11,471.63
  4. Step 4: Simplify right side
    19,975.49x = 316,218,348.86
  5. Step 5: Solve for x
    x = 316,218,348.86/19,975.49
  6. Step 6: Final answer
    x = 15,830.32

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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.