Home / 30,924.88-42,676.32-16,777.72

Finding the Fourth Proportional to 30,924.88, 42,676.32 and 16,777.72

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Solution

The fourth proportional to 30,924.88, 42,676.32 and 16,777.72 is: 23,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,924.88 : 42,676.32 = 16,777.72 : x
  2. Step 2: Convert to fraction form
    30,924.88/42,676.32 = 16,777.72/x
  3. Step 3: Cross multiply
    30,924.88x = 42,676.32 × 16,777.72
  4. Step 4: Simplify right side
    30,924.88x = 716,011,347.59
  5. Step 5: Solve for x
    x = 716,011,347.59/30,924.88
  6. Step 6: Final answer
    x = 23,153.25

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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.