Home / 52,628.28-72,628.60-28,756.50

Finding the Fourth Proportional to 52,628.28, 72,628.60 and 28,756.50

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Solution

The fourth proportional to 52,628.28, 72,628.60 and 28,756.50 is: 39,684.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,628.28 : 72,628.60 = 28,756.50 : x
  2. Step 2: Convert to fraction form
    52,628.28/72,628.60 = 28,756.50/x
  3. Step 3: Cross multiply
    52,628.28x = 72,628.60 × 28,756.50
  4. Step 4: Simplify right side
    52,628.28x = 2,088,544,335.90
  5. Step 5: Solve for x
    x = 2,088,544,335.90/52,628.28
  6. Step 6: Final answer
    x = 39,684.83

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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.