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Finding the Fourth Proportional to 26,646.49, 39,955.04 and 10,847.47

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Solution

The fourth proportional to 26,646.49, 39,955.04 and 10,847.47 is: 16,265.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,646.49 : 39,955.04 = 10,847.47 : x
  2. Step 2: Convert to fraction form
    26,646.49/39,955.04 = 10,847.47/x
  3. Step 3: Cross multiply
    26,646.49x = 39,955.04 × 10,847.47
  4. Step 4: Simplify right side
    26,646.49x = 433,411,059.22
  5. Step 5: Solve for x
    x = 433,411,059.22/26,646.49
  6. Step 6: Final answer
    x = 16,265.22

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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.