Home / 28,565.24-39,407.80-17,228.28

Finding the Fourth Proportional to 28,565.24, 39,407.80 and 17,228.28

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Solution

The fourth proportional to 28,565.24, 39,407.80 and 17,228.28 is: 23,767.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,565.24 : 39,407.80 = 17,228.28 : x
  2. Step 2: Convert to fraction form
    28,565.24/39,407.80 = 17,228.28/x
  3. Step 3: Cross multiply
    28,565.24x = 39,407.80 × 17,228.28
  4. Step 4: Simplify right side
    28,565.24x = 678,928,526.44
  5. Step 5: Solve for x
    x = 678,928,526.44/28,565.24
  6. Step 6: Final answer
    x = 23,767.65

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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.