Home / 27,358-37,831.80-26,120.32

Finding the Fourth Proportional to 27,358, 37,831.80 and 26,120.32

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Solution

The fourth proportional to 27,358, 37,831.80 and 26,120.32 is: 36,120.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,358 : 37,831.80 = 26,120.32 : x
  2. Step 2: Convert to fraction form
    27,358/37,831.80 = 26,120.32/x
  3. Step 3: Cross multiply
    27,358x = 37,831.80 × 26,120.32
  4. Step 4: Simplify right side
    27,358x = 988,178,722.18
  5. Step 5: Solve for x
    x = 988,178,722.18/27,358
  6. Step 6: Final answer
    x = 36,120.28

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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.