Home / 29,247.10-40,360.87-15,818.37

Finding the Fourth Proportional to 29,247.10, 40,360.87 and 15,818.37

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Solution

The fourth proportional to 29,247.10, 40,360.87 and 15,818.37 is: 21,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,247.10 : 40,360.87 = 15,818.37 : x
  2. Step 2: Convert to fraction form
    29,247.10/40,360.87 = 15,818.37/x
  3. Step 3: Cross multiply
    29,247.10x = 40,360.87 × 15,818.37
  4. Step 4: Simplify right side
    29,247.10x = 638,443,175.18
  5. Step 5: Solve for x
    x = 638,443,175.18/29,247.10
  6. Step 6: Final answer
    x = 21,829.28

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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.