Home / 27,421.47-37,841.13-15,322.14

Finding the Fourth Proportional to 27,421.47, 37,841.13 and 15,322.14

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Solution

The fourth proportional to 27,421.47, 37,841.13 and 15,322.14 is: 21,144.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,421.47 : 37,841.13 = 15,322.14 : x
  2. Step 2: Convert to fraction form
    27,421.47/37,841.13 = 15,322.14/x
  3. Step 3: Cross multiply
    27,421.47x = 37,841.13 × 15,322.14
  4. Step 4: Simplify right side
    27,421.47x = 579,807,091.62
  5. Step 5: Solve for x
    x = 579,807,091.62/27,421.47
  6. Step 6: Final answer
    x = 21,144.27

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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.