Home / 52,628.76-72,629.10-28,756.44

Finding the Fourth Proportional to 52,628.76, 72,629.10 and 28,756.44

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Solution

The fourth proportional to 52,628.76, 72,629.10 and 28,756.44 is: 39,684.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,628.76 : 72,629.10 = 28,756.44 : x
  2. Step 2: Convert to fraction form
    52,628.76/72,629.10 = 28,756.44/x
  3. Step 3: Cross multiply
    52,628.76x = 72,629.10 × 28,756.44
  4. Step 4: Simplify right side
    52,628.76x = 2,088,554,356.40
  5. Step 5: Solve for x
    x = 2,088,554,356.40/52,628.76
  6. Step 6: Final answer
    x = 39,684.66

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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.