Home / 28,681.64-39,581.52-17,353.21

Finding the Fourth Proportional to 28,681.64, 39,581.52 and 17,353.21

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Solution

The fourth proportional to 28,681.64, 39,581.52 and 17,353.21 is: 23,947.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,681.64 : 39,581.52 = 17,353.21 : x
  2. Step 2: Convert to fraction form
    28,681.64/39,581.52 = 17,353.21/x
  3. Step 3: Cross multiply
    28,681.64x = 39,581.52 × 17,353.21
  4. Step 4: Simplify right side
    28,681.64x = 686,866,144.01
  5. Step 5: Solve for x
    x = 686,866,144.01/28,681.64
  6. Step 6: Final answer
    x = 23,947.94

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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.