Home / 29,242.89-40,355.16-15,814.11

Finding the Fourth Proportional to 29,242.89, 40,355.16 and 15,814.11

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Solution

The fourth proportional to 29,242.89, 40,355.16 and 15,814.11 is: 21,823.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,242.89 : 40,355.16 = 15,814.11 : x
  2. Step 2: Convert to fraction form
    29,242.89/40,355.16 = 15,814.11/x
  3. Step 3: Cross multiply
    29,242.89x = 40,355.16 × 15,814.11
  4. Step 4: Simplify right side
    29,242.89x = 638,180,939.31
  5. Step 5: Solve for x
    x = 638,180,939.31/29,242.89
  6. Step 6: Final answer
    x = 21,823.46

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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.