Home / 27,897.57-38,498.66-15,322.32

Finding the Fourth Proportional to 27,897.57, 38,498.66 and 15,322.32

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Solution

The fourth proportional to 27,897.57, 38,498.66 and 15,322.32 is: 21,144.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,897.57 : 38,498.66 = 15,322.32 : x
  2. Step 2: Convert to fraction form
    27,897.57/38,498.66 = 15,322.32/x
  3. Step 3: Cross multiply
    27,897.57x = 38,498.66 × 15,322.32
  4. Step 4: Simplify right side
    27,897.57x = 589,888,711.48
  5. Step 5: Solve for x
    x = 589,888,711.48/27,897.57
  6. Step 6: Final answer
    x = 21,144.81

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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.