Home / 29,628.28-40,888.50-16,881.64

Finding the Fourth Proportional to 29,628.28, 40,888.50 and 16,881.64

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Solution

The fourth proportional to 29,628.28, 40,888.50 and 16,881.64 is: 23,297.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,628.28 : 40,888.50 = 16,881.64 : x
  2. Step 2: Convert to fraction form
    29,628.28/40,888.50 = 16,881.64/x
  3. Step 3: Cross multiply
    29,628.28x = 40,888.50 × 16,881.64
  4. Step 4: Simplify right side
    29,628.28x = 690,264,937.14
  5. Step 5: Solve for x
    x = 690,264,937.14/29,628.28
  6. Step 6: Final answer
    x = 23,297.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.