Home / 21,590.16-29,792.52-12,029.64

Finding the Fourth Proportional to 21,590.16, 29,792.52 and 12,029.64

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Solution

The fourth proportional to 21,590.16, 29,792.52 and 12,029.64 is: 16,599.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,590.16 : 29,792.52 = 12,029.64 : x
  2. Step 2: Convert to fraction form
    21,590.16/29,792.52 = 12,029.64/x
  3. Step 3: Cross multiply
    21,590.16x = 29,792.52 × 12,029.64
  4. Step 4: Simplify right side
    21,590.16x = 358,393,290.29
  5. Step 5: Solve for x
    x = 358,393,290.29/21,590.16
  6. Step 6: Final answer
    x = 16,599.84

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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.