Home / 29,006.05-40,028.34-16,430.80

Finding the Fourth Proportional to 29,006.05, 40,028.34 and 16,430.80

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Solution

The fourth proportional to 29,006.05, 40,028.34 and 16,430.80 is: 22,674.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,006.05 : 40,028.34 = 16,430.80 : x
  2. Step 2: Convert to fraction form
    29,006.05/40,028.34 = 16,430.80/x
  3. Step 3: Cross multiply
    29,006.05x = 40,028.34 × 16,430.80
  4. Step 4: Simplify right side
    29,006.05x = 657,697,648.87
  5. Step 5: Solve for x
    x = 657,697,648.87/29,006.05
  6. Step 6: Final answer
    x = 22,674.50

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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.