Home / 52,628.91-72,625.75-28,756.41

Finding the Fourth Proportional to 52,628.91, 72,625.75 and 28,756.41

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Solution

The fourth proportional to 52,628.91, 72,625.75 and 28,756.41 is: 39,682.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,628.91 : 72,625.75 = 28,756.41 : x
  2. Step 2: Convert to fraction form
    52,628.91/72,625.75 = 28,756.41/x
  3. Step 3: Cross multiply
    52,628.91x = 72,625.75 × 28,756.41
  4. Step 4: Simplify right side
    52,628.91x = 2,088,455,843.56
  5. Step 5: Solve for x
    x = 2,088,455,843.56/52,628.91
  6. Step 6: Final answer
    x = 39,682.67

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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.