Home / 25,477.80-38,216.70-9,885.30

Finding the Fourth Proportional to 25,477.80, 38,216.70 and 9,885.30

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Solution

The fourth proportional to 25,477.80, 38,216.70 and 9,885.30 is: 14,827.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,477.80 : 38,216.70 = 9,885.30 : x
  2. Step 2: Convert to fraction form
    25,477.80/38,216.70 = 9,885.30/x
  3. Step 3: Cross multiply
    25,477.80x = 38,216.70 × 9,885.30
  4. Step 4: Simplify right side
    25,477.80x = 377,783,544.51
  5. Step 5: Solve for x
    x = 377,783,544.51/25,477.80
  6. Step 6: Final answer
    x = 14,827.95

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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.