Home / 28,831.19-39,787.34-16,085.52

Finding the Fourth Proportional to 28,831.19, 39,787.34 and 16,085.52

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Solution

The fourth proportional to 28,831.19, 39,787.34 and 16,085.52 is: 22,198.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,831.19 : 39,787.34 = 16,085.52 : x
  2. Step 2: Convert to fraction form
    28,831.19/39,787.34 = 16,085.52/x
  3. Step 3: Cross multiply
    28,831.19x = 39,787.34 × 16,085.52
  4. Step 4: Simplify right side
    28,831.19x = 639,999,972.89
  5. Step 5: Solve for x
    x = 639,999,972.89/28,831.19
  6. Step 6: Final answer
    x = 22,198.18

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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.