Home / 52,285.87-72,154.90-28,412.67

Finding the Fourth Proportional to 52,285.87, 72,154.90 and 28,412.67

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Solution

The fourth proportional to 52,285.87, 72,154.90 and 28,412.67 is: 39,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,285.87 : 72,154.90 = 28,412.67 : x
  2. Step 2: Convert to fraction form
    52,285.87/72,154.90 = 28,412.67/x
  3. Step 3: Cross multiply
    52,285.87x = 72,154.90 × 28,412.67
  4. Step 4: Simplify right side
    52,285.87x = 2,050,113,362.58
  5. Step 5: Solve for x
    x = 2,050,113,362.58/52,285.87
  6. Step 6: Final answer
    x = 39,209.70

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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.