Home / 26,426.81-36,468.72-14,490.12

Finding the Fourth Proportional to 26,426.81, 36,468.72 and 14,490.12

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Solution

The fourth proportional to 26,426.81, 36,468.72 and 14,490.12 is: 19,996.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,426.81 : 36,468.72 = 14,490.12 : x
  2. Step 2: Convert to fraction form
    26,426.81/36,468.72 = 14,490.12/x
  3. Step 3: Cross multiply
    26,426.81x = 36,468.72 × 14,490.12
  4. Step 4: Simplify right side
    26,426.81x = 528,436,129.05
  5. Step 5: Solve for x
    x = 528,436,129.05/26,426.81
  6. Step 6: Final answer
    x = 19,996.21

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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.