Home / 52,728.40-79,069.56-15,783.76

Finding the Fourth Proportional to 52,728.40, 79,069.56 and 15,783.76

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Solution

The fourth proportional to 52,728.40, 79,069.56 and 15,783.76 is: 23,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,728.40 : 79,069.56 = 15,783.76 : x
  2. Step 2: Convert to fraction form
    52,728.40/79,069.56 = 15,783.76/x
  3. Step 3: Cross multiply
    52,728.40x = 79,069.56 × 15,783.76
  4. Step 4: Simplify right side
    52,728.40x = 1,248,014,958.35
  5. Step 5: Solve for x
    x = 1,248,014,958.35/52,728.40
  6. Step 6: Final answer
    x = 23,668.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.