Home / 28,831.10-43,262.85-15,684.39

Finding the Fourth Proportional to 28,831.10, 43,262.85 and 15,684.39

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Solution

The fourth proportional to 28,831.10, 43,262.85 and 15,684.39 is: 23,535.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,831.10 : 43,262.85 = 15,684.39 : x
  2. Step 2: Convert to fraction form
    28,831.10/43,262.85 = 15,684.39/x
  3. Step 3: Cross multiply
    28,831.10x = 43,262.85 × 15,684.39
  4. Step 4: Simplify right side
    28,831.10x = 678,551,411.91
  5. Step 5: Solve for x
    x = 678,551,411.91/28,831.10
  6. Step 6: Final answer
    x = 23,535.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.