Home / 28,808.87-43,206.01-9,085.77

Finding the Fourth Proportional to 28,808.87, 43,206.01 and 9,085.77

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Solution

The fourth proportional to 28,808.87, 43,206.01 and 9,085.77 is: 13,626.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,808.87 : 43,206.01 = 9,085.77 : x
  2. Step 2: Convert to fraction form
    28,808.87/43,206.01 = 9,085.77/x
  3. Step 3: Cross multiply
    28,808.87x = 43,206.01 × 9,085.77
  4. Step 4: Simplify right side
    28,808.87x = 392,559,846.76
  5. Step 5: Solve for x
    x = 392,559,846.76/28,808.87
  6. Step 6: Final answer
    x = 13,626.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.