Home / 28,305.28-39,050.40-18,232.93

Finding the Fourth Proportional to 28,305.28, 39,050.40 and 18,232.93

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Solution

The fourth proportional to 28,305.28, 39,050.40 and 18,232.93 is: 25,154.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,305.28 : 39,050.40 = 18,232.93 : x
  2. Step 2: Convert to fraction form
    28,305.28/39,050.40 = 18,232.93/x
  3. Step 3: Cross multiply
    28,305.28x = 39,050.40 × 18,232.93
  4. Step 4: Simplify right side
    28,305.28x = 712,003,209.67
  5. Step 5: Solve for x
    x = 712,003,209.67/28,305.28
  6. Step 6: Final answer
    x = 25,154.43

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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.