Home / 28,001.54-41,987.73-13,206.49

Finding the Fourth Proportional to 28,001.54, 41,987.73 and 13,206.49

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Solution

The fourth proportional to 28,001.54, 41,987.73 and 13,206.49 is: 19,802.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,001.54 : 41,987.73 = 13,206.49 : x
  2. Step 2: Convert to fraction form
    28,001.54/41,987.73 = 13,206.49/x
  3. Step 3: Cross multiply
    28,001.54x = 41,987.73 × 13,206.49
  4. Step 4: Simplify right side
    28,001.54x = 554,510,260.40
  5. Step 5: Solve for x
    x = 554,510,260.40/28,001.54
  6. Step 6: Final answer
    x = 19,802.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.