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Finding the Fourth Proportional to 26,953.60, 40,411.20 and 10,307.20

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Solution

The fourth proportional to 26,953.60, 40,411.20 and 10,307.20 is: 15,453.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,953.60 : 40,411.20 = 10,307.20 : x
  2. Step 2: Convert to fraction form
    26,953.60/40,411.20 = 10,307.20/x
  3. Step 3: Cross multiply
    26,953.60x = 40,411.20 × 10,307.20
  4. Step 4: Simplify right side
    26,953.60x = 416,526,320.64
  5. Step 5: Solve for x
    x = 416,526,320.64/26,953.60
  6. Step 6: Final answer
    x = 15,453.46

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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.