Home / 19,617.70-29,426.55-18,004.90

Finding the Fourth Proportional to 19,617.70, 29,426.55 and 18,004.90

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Solution

The fourth proportional to 19,617.70, 29,426.55 and 18,004.90 is: 27,007.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.70 : 29,426.55 = 18,004.90 : x
  2. Step 2: Convert to fraction form
    19,617.70/29,426.55 = 18,004.90/x
  3. Step 3: Cross multiply
    19,617.70x = 29,426.55 × 18,004.90
  4. Step 4: Simplify right side
    19,617.70x = 529,822,090.10
  5. Step 5: Solve for x
    x = 529,822,090.10/19,617.70
  6. Step 6: Final answer
    x = 27,007.35

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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.