Home / 19,831.71-27,368.52-10,879.59

Finding the Fourth Proportional to 19,831.71, 27,368.52 and 10,879.59

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Solution

The fourth proportional to 19,831.71, 27,368.52 and 10,879.59 is: 15,014.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831.71 : 27,368.52 = 10,879.59 : x
  2. Step 2: Convert to fraction form
    19,831.71/27,368.52 = 10,879.59/x
  3. Step 3: Cross multiply
    19,831.71x = 27,368.52 × 10,879.59
  4. Step 4: Simplify right side
    19,831.71x = 297,758,276.51
  5. Step 5: Solve for x
    x = 297,758,276.51/19,831.71
  6. Step 6: Final answer
    x = 15,014.25

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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.