Home / 23,455.68-32,368.80-12,845.76

Finding the Fourth Proportional to 23,455.68, 32,368.80 and 12,845.76

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Solution

The fourth proportional to 23,455.68, 32,368.80 and 12,845.76 is: 17,727.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,455.68 : 32,368.80 = 12,845.76 : x
  2. Step 2: Convert to fraction form
    23,455.68/32,368.80 = 12,845.76/x
  3. Step 3: Cross multiply
    23,455.68x = 32,368.80 × 12,845.76
  4. Step 4: Simplify right side
    23,455.68x = 415,801,836.29
  5. Step 5: Solve for x
    x = 415,801,836.29/23,455.68
  6. Step 6: Final answer
    x = 17,727.13

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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.