Home / 52,763.75-72,813.32-28,889.91

Finding the Fourth Proportional to 52,763.75, 72,813.32 and 28,889.91

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Solution

The fourth proportional to 52,763.75, 72,813.32 and 28,889.91 is: 39,867.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,763.75 : 72,813.32 = 28,889.91 : x
  2. Step 2: Convert to fraction form
    52,763.75/72,813.32 = 28,889.91/x
  3. Step 3: Cross multiply
    52,763.75x = 72,813.32 × 28,889.91
  4. Step 4: Simplify right side
    52,763.75x = 2,103,570,117.15
  5. Step 5: Solve for x
    x = 2,103,570,117.15/52,763.75
  6. Step 6: Final answer
    x = 39,867.72

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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.