Home / 26,655.40-36,786.12-14,718.68

Finding the Fourth Proportional to 26,655.40, 36,786.12 and 14,718.68

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Solution

The fourth proportional to 26,655.40, 36,786.12 and 14,718.68 is: 20,312.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,655.40 : 36,786.12 = 14,718.68 : x
  2. Step 2: Convert to fraction form
    26,655.40/36,786.12 = 14,718.68/x
  3. Step 3: Cross multiply
    26,655.40x = 36,786.12 × 14,718.68
  4. Step 4: Simplify right side
    26,655.40x = 541,443,128.72
  5. Step 5: Solve for x
    x = 541,443,128.72/26,655.40
  6. Step 6: Final answer
    x = 20,312.70

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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.