Home / 26,688.08-40,018.52-8,912.35

Finding the Fourth Proportional to 26,688.08, 40,018.52 and 8,912.35

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Solution

The fourth proportional to 26,688.08, 40,018.52 and 8,912.35 is: 13,363.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,688.08 : 40,018.52 = 8,912.35 : x
  2. Step 2: Convert to fraction form
    26,688.08/40,018.52 = 8,912.35/x
  3. Step 3: Cross multiply
    26,688.08x = 40,018.52 × 8,912.35
  4. Step 4: Simplify right side
    26,688.08x = 356,658,903.92
  5. Step 5: Solve for x
    x = 356,658,903.92/26,688.08
  6. Step 6: Final answer
    x = 13,363.98

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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.