Home / 26,999.72-37,217.18-18,487.12

Finding the Fourth Proportional to 26,999.72, 37,217.18 and 18,487.12

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Solution

The fourth proportional to 26,999.72, 37,217.18 and 18,487.12 is: 25,483.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,999.72 : 37,217.18 = 18,487.12 : x
  2. Step 2: Convert to fraction form
    26,999.72/37,217.18 = 18,487.12/x
  3. Step 3: Cross multiply
    26,999.72x = 37,217.18 × 18,487.12
  4. Step 4: Simplify right side
    26,999.72x = 688,038,339.01
  5. Step 5: Solve for x
    x = 688,038,339.01/26,999.72
  6. Step 6: Final answer
    x = 25,483.17

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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.