Home / 52,826.32-72,900.60-28,953.20

Finding the Fourth Proportional to 52,826.32, 72,900.60 and 28,953.20

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Solution

The fourth proportional to 52,826.32, 72,900.60 and 28,953.20 is: 39,955.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,826.32 : 72,900.60 = 28,953.20 : x
  2. Step 2: Convert to fraction form
    52,826.32/72,900.60 = 28,953.20/x
  3. Step 3: Cross multiply
    52,826.32x = 72,900.60 × 28,953.20
  4. Step 4: Simplify right side
    52,826.32x = 2,110,705,651.92
  5. Step 5: Solve for x
    x = 2,110,705,651.92/52,826.32
  6. Step 6: Final answer
    x = 39,955.57

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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.