Home / 30,925.30-42,675.76-16,777.84

Finding the Fourth Proportional to 30,925.30, 42,675.76 and 16,777.84

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Solution

The fourth proportional to 30,925.30, 42,675.76 and 16,777.84 is: 23,152.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,925.30 : 42,675.76 = 16,777.84 : x
  2. Step 2: Convert to fraction form
    30,925.30/42,675.76 = 16,777.84/x
  3. Step 3: Cross multiply
    30,925.30x = 42,675.76 × 16,777.84
  4. Step 4: Simplify right side
    30,925.30x = 716,007,073.16
  5. Step 5: Solve for x
    x = 716,007,073.16/30,925.30
  6. Step 6: Final answer
    x = 23,152.79

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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.