Home / 26,612.10-36,728.04-15,285.16

Finding the Fourth Proportional to 26,612.10, 36,728.04 and 15,285.16

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Solution

The fourth proportional to 26,612.10, 36,728.04 and 15,285.16 is: 21,095.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,612.10 : 36,728.04 = 15,285.16 : x
  2. Step 2: Convert to fraction form
    26,612.10/36,728.04 = 15,285.16/x
  3. Step 3: Cross multiply
    26,612.10x = 36,728.04 × 15,285.16
  4. Step 4: Simplify right side
    26,612.10x = 561,393,967.89
  5. Step 5: Solve for x
    x = 561,393,967.89/26,612.10
  6. Step 6: Final answer
    x = 21,095.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.