Home / 29,338.36-40,486.83-15,909.58

Finding the Fourth Proportional to 29,338.36, 40,486.83 and 15,909.58

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Solution

The fourth proportional to 29,338.36, 40,486.83 and 15,909.58 is: 21,955.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,338.36 : 40,486.83 = 15,909.58 : x
  2. Step 2: Convert to fraction form
    29,338.36/40,486.83 = 15,909.58/x
  3. Step 3: Cross multiply
    29,338.36x = 40,486.83 × 15,909.58
  4. Step 4: Simplify right side
    29,338.36x = 644,128,460.83
  5. Step 5: Solve for x
    x = 644,128,460.83/29,338.36
  6. Step 6: Final answer
    x = 21,955.16

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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.