Home / 26,178.42-39,267.63-12,328.50

Finding the Fourth Proportional to 26,178.42, 39,267.63 and 12,328.50

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Solution

The fourth proportional to 26,178.42, 39,267.63 and 12,328.50 is: 18,492.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,178.42 : 39,267.63 = 12,328.50 : x
  2. Step 2: Convert to fraction form
    26,178.42/39,267.63 = 12,328.50/x
  3. Step 3: Cross multiply
    26,178.42x = 39,267.63 × 12,328.50
  4. Step 4: Simplify right side
    26,178.42x = 484,110,976.46
  5. Step 5: Solve for x
    x = 484,110,976.46/26,178.42
  6. Step 6: Final answer
    x = 18,492.75

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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.