Home / 28,393.48-39,167.58-17,780.92

Finding the Fourth Proportional to 28,393.48, 39,167.58 and 17,780.92

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Solution

The fourth proportional to 28,393.48, 39,167.58 and 17,780.92 is: 24,528.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,393.48 : 39,167.58 = 17,780.92 : x
  2. Step 2: Convert to fraction form
    28,393.48/39,167.58 = 17,780.92/x
  3. Step 3: Cross multiply
    28,393.48x = 39,167.58 × 17,780.92
  4. Step 4: Simplify right side
    28,393.48x = 696,435,606.57
  5. Step 5: Solve for x
    x = 696,435,606.57/28,393.48
  6. Step 6: Final answer
    x = 24,528.01

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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.