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Finding the Fourth Proportional to 26,653.52, 39,984.03 and 9,784.40

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Solution

The fourth proportional to 26,653.52, 39,984.03 and 9,784.40 is: 14,677.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,653.52 : 39,984.03 = 9,784.40 : x
  2. Step 2: Convert to fraction form
    26,653.52/39,984.03 = 9,784.40/x
  3. Step 3: Cross multiply
    26,653.52x = 39,984.03 × 9,784.40
  4. Step 4: Simplify right side
    26,653.52x = 391,219,543.21
  5. Step 5: Solve for x
    x = 391,219,543.21/26,653.52
  6. Step 6: Final answer
    x = 14,677.97

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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.