Home / 28,838.97-39,752.44-19,748.62

Finding the Fourth Proportional to 28,838.97, 39,752.44 and 19,748.62

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Solution

The fourth proportional to 28,838.97, 39,752.44 and 19,748.62 is: 27,222.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,838.97 : 39,752.44 = 19,748.62 : x
  2. Step 2: Convert to fraction form
    28,838.97/39,752.44 = 19,748.62/x
  3. Step 3: Cross multiply
    28,838.97x = 39,752.44 × 19,748.62
  4. Step 4: Simplify right side
    28,838.97x = 785,055,831.63
  5. Step 5: Solve for x
    x = 785,055,831.63/28,838.97
  6. Step 6: Final answer
    x = 27,222.05

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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.