Home / 28,737.03-39,653.62-15,987.20

Finding the Fourth Proportional to 28,737.03, 39,653.62 and 15,987.20

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Solution

The fourth proportional to 28,737.03, 39,653.62 and 15,987.20 is: 22,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737.03 : 39,653.62 = 15,987.20 : x
  2. Step 2: Convert to fraction form
    28,737.03/39,653.62 = 15,987.20/x
  3. Step 3: Cross multiply
    28,737.03x = 39,653.62 × 15,987.20
  4. Step 4: Simplify right side
    28,737.03x = 633,950,412.83
  5. Step 5: Solve for x
    x = 633,950,412.83/28,737.03
  6. Step 6: Final answer
    x = 22,060.40

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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.