Home / 27,191.08-40,783.02-12,384.04

Finding the Fourth Proportional to 27,191.08, 40,783.02 and 12,384.04

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Solution

The fourth proportional to 27,191.08, 40,783.02 and 12,384.04 is: 18,574.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,191.08 : 40,783.02 = 12,384.04 : x
  2. Step 2: Convert to fraction form
    27,191.08/40,783.02 = 12,384.04/x
  3. Step 3: Cross multiply
    27,191.08x = 40,783.02 × 12,384.04
  4. Step 4: Simplify right side
    27,191.08x = 505,058,551.00
  5. Step 5: Solve for x
    x = 505,058,551.00/27,191.08
  6. Step 6: Final answer
    x = 18,574.42

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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.