Home / 30,327.72-41,852.16-16,898.88

Finding the Fourth Proportional to 30,327.72, 41,852.16 and 16,898.88

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Solution

The fourth proportional to 30,327.72, 41,852.16 and 16,898.88 is: 23,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,327.72 : 41,852.16 = 16,898.88 : x
  2. Step 2: Convert to fraction form
    30,327.72/41,852.16 = 16,898.88/x
  3. Step 3: Cross multiply
    30,327.72x = 41,852.16 × 16,898.88
  4. Step 4: Simplify right side
    30,327.72x = 707,254,629.58
  5. Step 5: Solve for x
    x = 707,254,629.58/30,327.72
  6. Step 6: Final answer
    x = 23,320.40

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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.