Home / 28,004.02-41,998.74-13,209.02

Finding the Fourth Proportional to 28,004.02, 41,998.74 and 13,209.02

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Solution

The fourth proportional to 28,004.02, 41,998.74 and 13,209.02 is: 19,810.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,004.02 : 41,998.74 = 13,209.02 : x
  2. Step 2: Convert to fraction form
    28,004.02/41,998.74 = 13,209.02/x
  3. Step 3: Cross multiply
    28,004.02x = 41,998.74 × 13,209.02
  4. Step 4: Simplify right side
    28,004.02x = 554,762,196.63
  5. Step 5: Solve for x
    x = 554,762,196.63/28,004.02
  6. Step 6: Final answer
    x = 19,810.09

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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.