Home / 20,831.10-28,717.01-14,852.39

Finding the Fourth Proportional to 20,831.10, 28,717.01 and 14,852.39

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Solution

The fourth proportional to 20,831.10, 28,717.01 and 14,852.39 is: 20,474.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,831.10 : 28,717.01 = 14,852.39 : x
  2. Step 2: Convert to fraction form
    20,831.10/28,717.01 = 14,852.39/x
  3. Step 3: Cross multiply
    20,831.10x = 28,717.01 × 14,852.39
  4. Step 4: Simplify right side
    20,831.10x = 426,516,088.57
  5. Step 5: Solve for x
    x = 426,516,088.57/20,831.10
  6. Step 6: Final answer
    x = 20,474.97

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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.