Home / 28,831.68-39,810.24-22,561.92

Finding the Fourth Proportional to 28,831.68, 39,810.24 and 22,561.92

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Solution

The fourth proportional to 28,831.68, 39,810.24 and 22,561.92 is: 31,153.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,831.68 : 39,810.24 = 22,561.92 : x
  2. Step 2: Convert to fraction form
    28,831.68/39,810.24 = 22,561.92/x
  3. Step 3: Cross multiply
    28,831.68x = 39,810.24 × 22,561.92
  4. Step 4: Simplify right side
    28,831.68x = 898,195,450.06
  5. Step 5: Solve for x
    x = 898,195,450.06/28,831.68
  6. Step 6: Final answer
    x = 31,153.07

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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.