Home / 52,794.24-72,856.28-28,920.40

Finding the Fourth Proportional to 52,794.24, 72,856.28 and 28,920.40

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Solution

The fourth proportional to 52,794.24, 72,856.28 and 28,920.40 is: 39,910.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,794.24 : 72,856.28 = 28,920.40 : x
  2. Step 2: Convert to fraction form
    52,794.24/72,856.28 = 28,920.40/x
  3. Step 3: Cross multiply
    52,794.24x = 72,856.28 × 28,920.40
  4. Step 4: Simplify right side
    52,794.24x = 2,107,032,760.11
  5. Step 5: Solve for x
    x = 2,107,032,760.11/52,794.24
  6. Step 6: Final answer
    x = 39,910.28

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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.