Home / 19,655.76-29,459.03-15,479.28

Finding the Fourth Proportional to 19,655.76, 29,459.03 and 15,479.28

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Solution

The fourth proportional to 19,655.76, 29,459.03 and 15,479.28 is: 23,199.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.76 : 29,459.03 = 15,479.28 : x
  2. Step 2: Convert to fraction form
    19,655.76/29,459.03 = 15,479.28/x
  3. Step 3: Cross multiply
    19,655.76x = 29,459.03 × 15,479.28
  4. Step 4: Simplify right side
    19,655.76x = 456,004,544.25
  5. Step 5: Solve for x
    x = 456,004,544.25/19,655.76
  6. Step 6: Final answer
    x = 23,199.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.