Home / 28,637.56-42,941.64-11,993.04

Finding the Fourth Proportional to 28,637.56, 42,941.64 and 11,993.04

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Solution

The fourth proportional to 28,637.56, 42,941.64 and 11,993.04 is: 17,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,637.56 : 42,941.64 = 11,993.04 : x
  2. Step 2: Convert to fraction form
    28,637.56/42,941.64 = 11,993.04/x
  3. Step 3: Cross multiply
    28,637.56x = 42,941.64 × 11,993.04
  4. Step 4: Simplify right side
    28,637.56x = 515,000,806.19
  5. Step 5: Solve for x
    x = 515,000,806.19/28,637.56
  6. Step 6: Final answer
    x = 17,983.40

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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.