Home / 27,347.40-40,985.55-12,343.50

Finding the Fourth Proportional to 27,347.40, 40,985.55 and 12,343.50

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Solution

The fourth proportional to 27,347.40, 40,985.55 and 12,343.50 is: 18,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,347.40 : 40,985.55 = 12,343.50 : x
  2. Step 2: Convert to fraction form
    27,347.40/40,985.55 = 12,343.50/x
  3. Step 3: Cross multiply
    27,347.40x = 40,985.55 × 12,343.50
  4. Step 4: Simplify right side
    27,347.40x = 505,905,136.43
  5. Step 5: Solve for x
    x = 505,905,136.43/27,347.40
  6. Step 6: Final answer
    x = 18,499.20

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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.