Home / 21,232.32-29,295.84-12,848.64

Finding the Fourth Proportional to 21,232.32, 29,295.84 and 12,848.64

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Solution

The fourth proportional to 21,232.32, 29,295.84 and 12,848.64 is: 17,728.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232.32 : 29,295.84 = 12,848.64 : x
  2. Step 2: Convert to fraction form
    21,232.32/29,295.84 = 12,848.64/x
  3. Step 3: Cross multiply
    21,232.32x = 29,295.84 × 12,848.64
  4. Step 4: Simplify right side
    21,232.32x = 376,411,701.66
  5. Step 5: Solve for x
    x = 376,411,701.66/21,232.32
  6. Step 6: Final answer
    x = 17,728.24

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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.