Home / 27,783.63-38,333.57-16,448.15

Finding the Fourth Proportional to 27,783.63, 38,333.57 and 16,448.15

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Solution

The fourth proportional to 27,783.63, 38,333.57 and 16,448.15 is: 22,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,783.63 : 38,333.57 = 16,448.15 : x
  2. Step 2: Convert to fraction form
    27,783.63/38,333.57 = 16,448.15/x
  3. Step 3: Cross multiply
    27,783.63x = 38,333.57 × 16,448.15
  4. Step 4: Simplify right side
    27,783.63x = 630,516,035.49
  5. Step 5: Solve for x
    x = 630,516,035.49/27,783.63
  6. Step 6: Final answer
    x = 22,693.80

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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.