Home / 52,328.40-72,212.68-28,455.24

Finding the Fourth Proportional to 52,328.40, 72,212.68 and 28,455.24

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Solution

The fourth proportional to 52,328.40, 72,212.68 and 28,455.24 is: 39,267.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,328.40 : 72,212.68 = 28,455.24 : x
  2. Step 2: Convert to fraction form
    52,328.40/72,212.68 = 28,455.24/x
  3. Step 3: Cross multiply
    52,328.40x = 72,212.68 × 28,455.24
  4. Step 4: Simplify right side
    52,328.40x = 2,054,829,140.44
  5. Step 5: Solve for x
    x = 2,054,829,140.44/52,328.40
  6. Step 6: Final answer
    x = 39,267.95

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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.