Home / 29,257.07-40,374.73-15,828.32

Finding the Fourth Proportional to 29,257.07, 40,374.73 and 15,828.32

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Solution

The fourth proportional to 29,257.07, 40,374.73 and 15,828.32 is: 21,843.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,257.07 : 40,374.73 = 15,828.32 : x
  2. Step 2: Convert to fraction form
    29,257.07/40,374.73 = 15,828.32/x
  3. Step 3: Cross multiply
    29,257.07x = 40,374.73 × 15,828.32
  4. Step 4: Simplify right side
    29,257.07x = 639,064,267.08
  5. Step 5: Solve for x
    x = 639,064,267.08/29,257.07
  6. Step 6: Final answer
    x = 21,843.08

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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.