Home / 29,267.88-40,384.56-16,690.20

Finding the Fourth Proportional to 29,267.88, 40,384.56 and 16,690.20

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Solution

The fourth proportional to 29,267.88, 40,384.56 and 16,690.20 is: 23,029.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,267.88 : 40,384.56 = 16,690.20 : x
  2. Step 2: Convert to fraction form
    29,267.88/40,384.56 = 16,690.20/x
  3. Step 3: Cross multiply
    29,267.88x = 40,384.56 × 16,690.20
  4. Step 4: Simplify right side
    29,267.88x = 674,026,383.31
  5. Step 5: Solve for x
    x = 674,026,383.31/29,267.88
  6. Step 6: Final answer
    x = 23,029.56

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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.