Home / 29,017.54-40,043.64-16,920.28

Finding the Fourth Proportional to 29,017.54, 40,043.64 and 16,920.28

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Solution

The fourth proportional to 29,017.54, 40,043.64 and 16,920.28 is: 23,349.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,017.54 : 40,043.64 = 16,920.28 : x
  2. Step 2: Convert to fraction form
    29,017.54/40,043.64 = 16,920.28/x
  3. Step 3: Cross multiply
    29,017.54x = 40,043.64 × 16,920.28
  4. Step 4: Simplify right side
    29,017.54x = 677,549,601.02
  5. Step 5: Solve for x
    x = 677,549,601.02/29,017.54
  6. Step 6: Final answer
    x = 23,349.66

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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.