Home / 26,426.72-36,468.80-14,490.40

Finding the Fourth Proportional to 26,426.72, 36,468.80 and 14,490.40

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Solution

The fourth proportional to 26,426.72, 36,468.80 and 14,490.40 is: 19,996.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,426.72 : 36,468.80 = 14,490.40 : x
  2. Step 2: Convert to fraction form
    26,426.72/36,468.80 = 14,490.40/x
  3. Step 3: Cross multiply
    26,426.72x = 36,468.80 × 14,490.40
  4. Step 4: Simplify right side
    26,426.72x = 528,447,499.52
  5. Step 5: Solve for x
    x = 528,447,499.52/26,426.72
  6. Step 6: Final answer
    x = 19,996.71

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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.