Home / 29,289.24-40,419.08-15,860.50

Finding the Fourth Proportional to 29,289.24, 40,419.08 and 15,860.50

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Solution

The fourth proportional to 29,289.24, 40,419.08 and 15,860.50 is: 21,887.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,289.24 : 40,419.08 = 15,860.50 : x
  2. Step 2: Convert to fraction form
    29,289.24/40,419.08 = 15,860.50/x
  3. Step 3: Cross multiply
    29,289.24x = 40,419.08 × 15,860.50
  4. Step 4: Simplify right side
    29,289.24x = 641,066,616.24
  5. Step 5: Solve for x
    x = 641,066,616.24/29,289.24
  6. Step 6: Final answer
    x = 21,887.44

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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.