Home / 53,276.94-79,887.42-15,831.81

Finding the Fourth Proportional to 53,276.94, 79,887.42 and 15,831.81

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Solution

The fourth proportional to 53,276.94, 79,887.42 and 15,831.81 is: 23,739.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,276.94 : 79,887.42 = 15,831.81 : x
  2. Step 2: Convert to fraction form
    53,276.94/79,887.42 = 15,831.81/x
  3. Step 3: Cross multiply
    53,276.94x = 79,887.42 × 15,831.81
  4. Step 4: Simplify right side
    53,276.94x = 1,264,762,454.83
  5. Step 5: Solve for x
    x = 1,264,762,454.83/53,276.94
  6. Step 6: Final answer
    x = 23,739.40

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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.