Home / 28,176.98-38,924.73-22,504.28

Finding the Fourth Proportional to 28,176.98, 38,924.73 and 22,504.28

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Solution

The fourth proportional to 28,176.98, 38,924.73 and 22,504.28 is: 31,088.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,176.98 : 38,924.73 = 22,504.28 : x
  2. Step 2: Convert to fraction form
    28,176.98/38,924.73 = 22,504.28/x
  3. Step 3: Cross multiply
    28,176.98x = 38,924.73 × 22,504.28
  4. Step 4: Simplify right side
    28,176.98x = 875,972,828.22
  5. Step 5: Solve for x
    x = 875,972,828.22/28,176.98
  6. Step 6: Final answer
    x = 31,088.25

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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.