Home / 52,214.88-72,056.28-28,340.16

Finding the Fourth Proportional to 52,214.88, 72,056.28 and 28,340.16

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Solution

The fourth proportional to 52,214.88, 72,056.28 and 28,340.16 is: 39,109.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,214.88 : 72,056.28 = 28,340.16 : x
  2. Step 2: Convert to fraction form
    52,214.88/72,056.28 = 28,340.16/x
  3. Step 3: Cross multiply
    52,214.88x = 72,056.28 × 28,340.16
  4. Step 4: Simplify right side
    52,214.88x = 2,042,086,504.20
  5. Step 5: Solve for x
    x = 2,042,086,504.20/52,214.88
  6. Step 6: Final answer
    x = 39,109.28

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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.