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Finding the Fourth Proportional to 40,627.68, 60,964.80 and 21,907.63

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Solution

The fourth proportional to 40,627.68, 60,964.80 and 21,907.63 is: 32,874.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,627.68 : 60,964.80 = 21,907.63 : x
  2. Step 2: Convert to fraction form
    40,627.68/60,964.80 = 21,907.63/x
  3. Step 3: Cross multiply
    40,627.68x = 60,964.80 × 21,907.63
  4. Step 4: Simplify right side
    40,627.68x = 1,335,594,281.42
  5. Step 5: Solve for x
    x = 1,335,594,281.42/40,627.68
  6. Step 6: Final answer
    x = 32,874.00

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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.