Home / 26,926.12-40,398.90-13,784.68

Finding the Fourth Proportional to 26,926.12, 40,398.90 and 13,784.68

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Solution

The fourth proportional to 26,926.12, 40,398.90 and 13,784.68 is: 20,682.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,926.12 : 40,398.90 = 13,784.68 : x
  2. Step 2: Convert to fraction form
    26,926.12/40,398.90 = 13,784.68/x
  3. Step 3: Cross multiply
    26,926.12x = 40,398.90 × 13,784.68
  4. Step 4: Simplify right side
    26,926.12x = 556,885,908.85
  5. Step 5: Solve for x
    x = 556,885,908.85/26,926.12
  6. Step 6: Final answer
    x = 20,682.00

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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.