Home / 21,935.60-32,903.40-17,561.60

Finding the Fourth Proportional to 21,935.60, 32,903.40 and 17,561.60

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Solution

The fourth proportional to 21,935.60, 32,903.40 and 17,561.60 is: 26,342.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,935.60 : 32,903.40 = 17,561.60 : x
  2. Step 2: Convert to fraction form
    21,935.60/32,903.40 = 17,561.60/x
  3. Step 3: Cross multiply
    21,935.60x = 32,903.40 × 17,561.60
  4. Step 4: Simplify right side
    21,935.60x = 577,836,349.44
  5. Step 5: Solve for x
    x = 577,836,349.44/21,935.60
  6. Step 6: Final answer
    x = 26,342.40

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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.