Home / 27,897.69-38,499.59-15,323.25

Finding the Fourth Proportional to 27,897.69, 38,499.59 and 15,323.25

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Solution

The fourth proportional to 27,897.69, 38,499.59 and 15,323.25 is: 21,146.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,897.69 : 38,499.59 = 15,323.25 : x
  2. Step 2: Convert to fraction form
    27,897.69/38,499.59 = 15,323.25/x
  3. Step 3: Cross multiply
    27,897.69x = 38,499.59 × 15,323.25
  4. Step 4: Simplify right side
    27,897.69x = 589,938,842.47
  5. Step 5: Solve for x
    x = 589,938,842.47/27,897.69
  6. Step 6: Final answer
    x = 21,146.51

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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.