Home / 28,858.34-43,254.70-12,207.98

Finding the Fourth Proportional to 28,858.34, 43,254.70 and 12,207.98

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Solution

The fourth proportional to 28,858.34, 43,254.70 and 12,207.98 is: 18,298.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858.34 : 43,254.70 = 12,207.98 : x
  2. Step 2: Convert to fraction form
    28,858.34/43,254.70 = 12,207.98/x
  3. Step 3: Cross multiply
    28,858.34x = 43,254.70 × 12,207.98
  4. Step 4: Simplify right side
    28,858.34x = 528,052,512.51
  5. Step 5: Solve for x
    x = 528,052,512.51/28,858.34
  6. Step 6: Final answer
    x = 18,298.09

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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.