Home / 29,628.81-40,888.53-16,200.63

Finding the Fourth Proportional to 29,628.81, 40,888.53 and 16,200.63

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Solution

The fourth proportional to 29,628.81, 40,888.53 and 16,200.63 is: 22,357.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,628.81 : 40,888.53 = 16,200.63 : x
  2. Step 2: Convert to fraction form
    29,628.81/40,888.53 = 16,200.63/x
  3. Step 3: Cross multiply
    29,628.81x = 40,888.53 × 16,200.63
  4. Step 4: Simplify right side
    29,628.81x = 662,419,945.77
  5. Step 5: Solve for x
    x = 662,419,945.77/29,628.81
  6. Step 6: Final answer
    x = 22,357.29

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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.