Home / 25,713.04-38,572.40-8,178.77

Finding the Fourth Proportional to 25,713.04, 38,572.40 and 8,178.77

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Solution

The fourth proportional to 25,713.04, 38,572.40 and 8,178.77 is: 12,269.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,713.04 : 38,572.40 = 8,178.77 : x
  2. Step 2: Convert to fraction form
    25,713.04/38,572.40 = 8,178.77/x
  3. Step 3: Cross multiply
    25,713.04x = 38,572.40 × 8,178.77
  4. Step 4: Simplify right side
    25,713.04x = 315,474,554.19
  5. Step 5: Solve for x
    x = 315,474,554.19/25,713.04
  6. Step 6: Final answer
    x = 12,269.05

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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.