Home / 27,776.60-38,325.59-16,440.45

Finding the Fourth Proportional to 27,776.60, 38,325.59 and 16,440.45

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Solution

The fourth proportional to 27,776.60, 38,325.59 and 16,440.45 is: 22,684.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,776.60 : 38,325.59 = 16,440.45 : x
  2. Step 2: Convert to fraction form
    27,776.60/38,325.59 = 16,440.45/x
  3. Step 3: Cross multiply
    27,776.60x = 38,325.59 × 16,440.45
  4. Step 4: Simplify right side
    27,776.60x = 630,089,781.84
  5. Step 5: Solve for x
    x = 630,089,781.84/27,776.60
  6. Step 6: Final answer
    x = 22,684.19

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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.