Home / 27,973.12-41,988.84-12,401.68

Finding the Fourth Proportional to 27,973.12, 41,988.84 and 12,401.68

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Solution

The fourth proportional to 27,973.12, 41,988.84 and 12,401.68 is: 18,615.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,973.12 : 41,988.84 = 12,401.68 : x
  2. Step 2: Convert to fraction form
    27,973.12/41,988.84 = 12,401.68/x
  3. Step 3: Cross multiply
    27,973.12x = 41,988.84 × 12,401.68
  4. Step 4: Simplify right side
    27,973.12x = 520,732,157.25
  5. Step 5: Solve for x
    x = 520,732,157.25/27,973.12
  6. Step 6: Final answer
    x = 18,615.45

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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.