Home / 27,312.81-40,993.63-13,994.89

Finding the Fourth Proportional to 27,312.81, 40,993.63 and 13,994.89

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Solution

The fourth proportional to 27,312.81, 40,993.63 and 13,994.89 is: 21,004.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,312.81 : 40,993.63 = 13,994.89 : x
  2. Step 2: Convert to fraction form
    27,312.81/40,993.63 = 13,994.89/x
  3. Step 3: Cross multiply
    27,312.81x = 40,993.63 × 13,994.89
  4. Step 4: Simplify right side
    27,312.81x = 573,701,102.60
  5. Step 5: Solve for x
    x = 573,701,102.60/27,312.81
  6. Step 6: Final answer
    x = 21,004.84

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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.