Home / 28,557.09-42,810.98-11,039.22

Finding the Fourth Proportional to 28,557.09, 42,810.98 and 11,039.22

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Solution

The fourth proportional to 28,557.09, 42,810.98 and 11,039.22 is: 16,549.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,557.09 : 42,810.98 = 11,039.22 : x
  2. Step 2: Convert to fraction form
    28,557.09/42,810.98 = 11,039.22/x
  3. Step 3: Cross multiply
    28,557.09x = 42,810.98 × 11,039.22
  4. Step 4: Simplify right side
    28,557.09x = 472,599,771.44
  5. Step 5: Solve for x
    x = 472,599,771.44/28,557.09
  6. Step 6: Final answer
    x = 16,549.30

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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.