Home / 28,705.91-43,024.41-12,060

Finding the Fourth Proportional to 28,705.91, 43,024.41 and 12,060

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Solution

The fourth proportional to 28,705.91, 43,024.41 and 12,060 is: 18,075.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,705.91 : 43,024.41 = 12,060 : x
  2. Step 2: Convert to fraction form
    28,705.91/43,024.41 = 12,060/x
  3. Step 3: Cross multiply
    28,705.91x = 43,024.41 × 12,060
  4. Step 4: Simplify right side
    28,705.91x = 518,874,384.60
  5. Step 5: Solve for x
    x = 518,874,384.60/28,705.91
  6. Step 6: Final answer
    x = 18,075.53

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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.