Home / 28,707.90-43,068.10-12,058.44

Finding the Fourth Proportional to 28,707.90, 43,068.10 and 12,058.44

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Solution

The fourth proportional to 28,707.90, 43,068.10 and 12,058.44 is: 18,090.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,707.90 : 43,068.10 = 12,058.44 : x
  2. Step 2: Convert to fraction form
    28,707.90/43,068.10 = 12,058.44/x
  3. Step 3: Cross multiply
    28,707.90x = 43,068.10 × 12,058.44
  4. Step 4: Simplify right side
    28,707.90x = 519,334,099.76
  5. Step 5: Solve for x
    x = 519,334,099.76/28,707.90
  6. Step 6: Final answer
    x = 18,090.29

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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.