Home / 27,973.32-38,590.94-18,400.92

Finding the Fourth Proportional to 27,973.32, 38,590.94 and 18,400.92

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Solution

The fourth proportional to 27,973.32, 38,590.94 and 18,400.92 is: 25,385.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,973.32 : 38,590.94 = 18,400.92 : x
  2. Step 2: Convert to fraction form
    27,973.32/38,590.94 = 18,400.92/x
  3. Step 3: Cross multiply
    27,973.32x = 38,590.94 × 18,400.92
  4. Step 4: Simplify right side
    27,973.32x = 710,108,799.66
  5. Step 5: Solve for x
    x = 710,108,799.66/27,973.32
  6. Step 6: Final answer
    x = 25,385.22

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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.