Home / 65,322.28-97,984.56-18,576.40

Finding the Fourth Proportional to 65,322.28, 97,984.56 and 18,576.40

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Solution

The fourth proportional to 65,322.28, 97,984.56 and 18,576.40 is: 27,864.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,322.28 : 97,984.56 = 18,576.40 : x
  2. Step 2: Convert to fraction form
    65,322.28/97,984.56 = 18,576.40/x
  3. Step 3: Cross multiply
    65,322.28x = 97,984.56 × 18,576.40
  4. Step 4: Simplify right side
    65,322.28x = 1,820,200,380.38
  5. Step 5: Solve for x
    x = 1,820,200,380.38/65,322.28
  6. Step 6: Final answer
    x = 27,864.92

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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.