Home / 19,784.48-27,302.52-10,831.91

Finding the Fourth Proportional to 19,784.48, 27,302.52 and 10,831.91

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Solution

The fourth proportional to 19,784.48, 27,302.52 and 10,831.91 is: 14,948.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.48 : 27,302.52 = 10,831.91 : x
  2. Step 2: Convert to fraction form
    19,784.48/27,302.52 = 10,831.91/x
  3. Step 3: Cross multiply
    19,784.48x = 27,302.52 × 10,831.91
  4. Step 4: Simplify right side
    19,784.48x = 295,738,302.90
  5. Step 5: Solve for x
    x = 295,738,302.90/19,784.48
  6. Step 6: Final answer
    x = 14,948.00

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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.