Home / 27,841.78-38,421.81-15,095.06

Finding the Fourth Proportional to 27,841.78, 38,421.81 and 15,095.06

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Solution

The fourth proportional to 27,841.78, 38,421.81 and 15,095.06 is: 20,831.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,841.78 : 38,421.81 = 15,095.06 : x
  2. Step 2: Convert to fraction form
    27,841.78/38,421.81 = 15,095.06/x
  3. Step 3: Cross multiply
    27,841.78x = 38,421.81 × 15,095.06
  4. Step 4: Simplify right side
    27,841.78x = 579,979,527.26
  5. Step 5: Solve for x
    x = 579,979,527.26/27,841.78
  6. Step 6: Final answer
    x = 20,831.27

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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.