Home / 29,316.03-40,455.96-15,887.14

Finding the Fourth Proportional to 29,316.03, 40,455.96 and 15,887.14

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Solution

The fourth proportional to 29,316.03, 40,455.96 and 15,887.14 is: 21,924.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,316.03 : 40,455.96 = 15,887.14 : x
  2. Step 2: Convert to fraction form
    29,316.03/40,455.96 = 15,887.14/x
  3. Step 3: Cross multiply
    29,316.03x = 40,455.96 × 15,887.14
  4. Step 4: Simplify right side
    29,316.03x = 642,729,339.64
  5. Step 5: Solve for x
    x = 642,729,339.64/29,316.03
  6. Step 6: Final answer
    x = 21,924.16

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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.