Home / 28,187.64-38,810.43-23,929.88

Finding the Fourth Proportional to 28,187.64, 38,810.43 and 23,929.88

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Solution

The fourth proportional to 28,187.64, 38,810.43 and 23,929.88 is: 32,948.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,187.64 : 38,810.43 = 23,929.88 : x
  2. Step 2: Convert to fraction form
    28,187.64/38,810.43 = 23,929.88/x
  3. Step 3: Cross multiply
    28,187.64x = 38,810.43 × 23,929.88
  4. Step 4: Simplify right side
    28,187.64x = 928,728,738.60
  5. Step 5: Solve for x
    x = 928,728,738.60/28,187.64
  6. Step 6: Final answer
    x = 32,948.08

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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.