Home / 27,199.37-40,807.41-12,985.99

Finding the Fourth Proportional to 27,199.37, 40,807.41 and 12,985.99

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Solution

The fourth proportional to 27,199.37, 40,807.41 and 12,985.99 is: 19,482.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,199.37 : 40,807.41 = 12,985.99 : x
  2. Step 2: Convert to fraction form
    27,199.37/40,807.41 = 12,985.99/x
  3. Step 3: Cross multiply
    27,199.37x = 40,807.41 × 12,985.99
  4. Step 4: Simplify right side
    27,199.37x = 529,924,618.19
  5. Step 5: Solve for x
    x = 529,924,618.19/27,199.37
  6. Step 6: Final answer
    x = 19,482.97

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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.