Home / 28,058.87-42,056.04-12,260.23

Finding the Fourth Proportional to 28,058.87, 42,056.04 and 12,260.23

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Solution

The fourth proportional to 28,058.87, 42,056.04 and 12,260.23 is: 18,376.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,058.87 : 42,056.04 = 12,260.23 : x
  2. Step 2: Convert to fraction form
    28,058.87/42,056.04 = 12,260.23/x
  3. Step 3: Cross multiply
    28,058.87x = 42,056.04 × 12,260.23
  4. Step 4: Simplify right side
    28,058.87x = 515,616,664.12
  5. Step 5: Solve for x
    x = 515,616,664.12/28,058.87
  6. Step 6: Final answer
    x = 18,376.24

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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.