Home / 26,416.32-36,420.96-18,871.68

Finding the Fourth Proportional to 26,416.32, 36,420.96 and 18,871.68

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Solution

The fourth proportional to 26,416.32, 36,420.96 and 18,871.68 is: 26,018.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,416.32 : 36,420.96 = 18,871.68 : x
  2. Step 2: Convert to fraction form
    26,416.32/36,420.96 = 18,871.68/x
  3. Step 3: Cross multiply
    26,416.32x = 36,420.96 × 18,871.68
  4. Step 4: Simplify right side
    26,416.32x = 687,324,702.41
  5. Step 5: Solve for x
    x = 687,324,702.41/26,416.32
  6. Step 6: Final answer
    x = 26,018.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.