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Finding the Fourth Proportional to 26,492.60, 39,728.10 and 8,953.40

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Solution

The fourth proportional to 26,492.60, 39,728.10 and 8,953.40 is: 13,426.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,492.60 : 39,728.10 = 8,953.40 : x
  2. Step 2: Convert to fraction form
    26,492.60/39,728.10 = 8,953.40/x
  3. Step 3: Cross multiply
    26,492.60x = 39,728.10 × 8,953.40
  4. Step 4: Simplify right side
    26,492.60x = 355,701,570.54
  5. Step 5: Solve for x
    x = 355,701,570.54/26,492.60
  6. Step 6: Final answer
    x = 13,426.45

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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.