Home / 29,307.55-40,444.36-15,879.15

Finding the Fourth Proportional to 29,307.55, 40,444.36 and 15,879.15

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Solution

The fourth proportional to 29,307.55, 40,444.36 and 15,879.15 is: 21,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,307.55 : 40,444.36 = 15,879.15 : x
  2. Step 2: Convert to fraction form
    29,307.55/40,444.36 = 15,879.15/x
  3. Step 3: Cross multiply
    29,307.55x = 40,444.36 × 15,879.15
  4. Step 4: Simplify right side
    29,307.55x = 642,222,059.09
  5. Step 5: Solve for x
    x = 642,222,059.09/29,307.55
  6. Step 6: Final answer
    x = 21,913.20

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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.