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Finding the Fourth Proportional to 35,402.40, 53,103.60 and 27,617.76

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Solution

The fourth proportional to 35,402.40, 53,103.60 and 27,617.76 is: 41,426.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,402.40 : 53,103.60 = 27,617.76 : x
  2. Step 2: Convert to fraction form
    35,402.40/53,103.60 = 27,617.76/x
  3. Step 3: Cross multiply
    35,402.40x = 53,103.60 × 27,617.76
  4. Step 4: Simplify right side
    35,402.40x = 1,466,602,479.94
  5. Step 5: Solve for x
    x = 1,466,602,479.94/35,402.40
  6. Step 6: Final answer
    x = 41,426.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.