Home / 27,430.91-40,905.50-27,181.43

Finding the Fourth Proportional to 27,430.91, 40,905.50 and 27,181.43

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Solution

The fourth proportional to 27,430.91, 40,905.50 and 27,181.43 is: 40,533.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,430.91 : 40,905.50 = 27,181.43 : x
  2. Step 2: Convert to fraction form
    27,430.91/40,905.50 = 27,181.43/x
  3. Step 3: Cross multiply
    27,430.91x = 40,905.50 × 27,181.43
  4. Step 4: Simplify right side
    27,430.91x = 1,111,869,984.87
  5. Step 5: Solve for x
    x = 1,111,869,984.87/27,430.91
  6. Step 6: Final answer
    x = 40,533.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.