Home / 43,330.13-64,995.20-15,628.13

Finding the Fourth Proportional to 43,330.13, 64,995.20 and 15,628.13

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Solution

The fourth proportional to 43,330.13, 64,995.20 and 15,628.13 is: 23,442.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,330.13 : 64,995.20 = 15,628.13 : x
  2. Step 2: Convert to fraction form
    43,330.13/64,995.20 = 15,628.13/x
  3. Step 3: Cross multiply
    43,330.13x = 64,995.20 × 15,628.13
  4. Step 4: Simplify right side
    43,330.13x = 1,015,753,031.86
  5. Step 5: Solve for x
    x = 1,015,753,031.86/43,330.13
  6. Step 6: Final answer
    x = 23,442.19

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1.5x scale

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.