Home / 25,837.68-35,656.00-15,090.00

Finding the Fourth Proportional to 25,837.68, 35,656.00 and 15,090.00

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Solution

The fourth proportional to 25,837.68, 35,656.00 and 15,090.00 is: 20,824.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,837.68 : 35,656.00 = 15,090.00 : x
  2. Step 2: Convert to fraction form
    25,837.68/35,656.00 = 15,090.00/x
  3. Step 3: Cross multiply
    25,837.68x = 35,656.00 × 15,090.00
  4. Step 4: Simplify right side
    25,837.68x = 538,048,868.57
  5. Step 5: Solve for x
    x = 538,048,868.57/25,837.68
  6. Step 6: Final answer
    x = 20,824.19

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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.