Home / 29,255.91-40,373.05-15,827.05

Finding the Fourth Proportional to 29,255.91, 40,373.05 and 15,827.05

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Solution

The fourth proportional to 29,255.91, 40,373.05 and 15,827.05 is: 21,841.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,255.91 : 40,373.05 = 15,827.05 : x
  2. Step 2: Convert to fraction form
    29,255.91/40,373.05 = 15,827.05/x
  3. Step 3: Cross multiply
    29,255.91x = 40,373.05 × 15,827.05
  4. Step 4: Simplify right side
    29,255.91x = 638,986,027.71
  5. Step 5: Solve for x
    x = 638,986,027.71/29,255.91
  6. Step 6: Final answer
    x = 21,841.26

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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.