Home / 27,415.94-37,831.19-15,929.06

Finding the Fourth Proportional to 27,415.94, 37,831.19 and 15,929.06

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Solution

The fourth proportional to 27,415.94, 37,831.19 and 15,929.06 is: 21,980.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,415.94 : 37,831.19 = 15,929.06 : x
  2. Step 2: Convert to fraction form
    27,415.94/37,831.19 = 15,929.06/x
  3. Step 3: Cross multiply
    27,415.94x = 37,831.19 × 15,929.06
  4. Step 4: Simplify right side
    27,415.94x = 602,615,026.58
  5. Step 5: Solve for x
    x = 602,615,026.58/27,415.94
  6. Step 6: Final answer
    x = 21,980.47

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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.