Home / 23,896.90-32,981.78-13,831.50

Finding the Fourth Proportional to 23,896.90, 32,981.78 and 13,831.50

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Solution

The fourth proportional to 23,896.90, 32,981.78 and 13,831.50 is: 19,089.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,896.90 : 32,981.78 = 13,831.50 : x
  2. Step 2: Convert to fraction form
    23,896.90/32,981.78 = 13,831.50/x
  3. Step 3: Cross multiply
    23,896.90x = 32,981.78 × 13,831.50
  4. Step 4: Simplify right side
    23,896.90x = 456,187,490.07
  5. Step 5: Solve for x
    x = 456,187,490.07/23,896.90
  6. Step 6: Final answer
    x = 19,089.82

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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.