Home / 28,783.12-42,972.78-24,355.66

Finding the Fourth Proportional to 28,783.12, 42,972.78 and 24,355.66

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Solution

The fourth proportional to 28,783.12, 42,972.78 and 24,355.66 is: 36,362.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,783.12 : 42,972.78 = 24,355.66 : x
  2. Step 2: Convert to fraction form
    28,783.12/42,972.78 = 24,355.66/x
  3. Step 3: Cross multiply
    28,783.12x = 42,972.78 × 24,355.66
  4. Step 4: Simplify right side
    28,783.12x = 1,046,630,418.93
  5. Step 5: Solve for x
    x = 1,046,630,418.93/28,783.12
  6. Step 6: Final answer
    x = 36,362.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.