Home / 21,165.69-31,749.54-17,461.05

Finding the Fourth Proportional to 21,165.69, 31,749.54 and 17,461.05

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Solution

The fourth proportional to 21,165.69, 31,749.54 and 17,461.05 is: 26,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,165.69 : 31,749.54 = 17,461.05 : x
  2. Step 2: Convert to fraction form
    21,165.69/31,749.54 = 17,461.05/x
  3. Step 3: Cross multiply
    21,165.69x = 31,749.54 × 17,461.05
  4. Step 4: Simplify right side
    21,165.69x = 554,380,305.42
  5. Step 5: Solve for x
    x = 554,380,305.42/21,165.69
  6. Step 6: Final answer
    x = 26,192.40

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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.