Home / 35,827.89-49,438.56-20,718.27

Finding the Fourth Proportional to 35,827.89, 49,438.56 and 20,718.27

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Solution

The fourth proportional to 35,827.89, 49,438.56 and 20,718.27 is: 28,588.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,827.89 : 49,438.56 = 20,718.27 : x
  2. Step 2: Convert to fraction form
    35,827.89/49,438.56 = 20,718.27/x
  3. Step 3: Cross multiply
    35,827.89x = 49,438.56 × 20,718.27
  4. Step 4: Simplify right side
    35,827.89x = 1,024,281,434.49
  5. Step 5: Solve for x
    x = 1,024,281,434.49/35,827.89
  6. Step 6: Final answer
    x = 28,588.94

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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.