Home / 28,416.83-39,215.14-16,487.15

Finding the Fourth Proportional to 28,416.83, 39,215.14 and 16,487.15

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Solution

The fourth proportional to 28,416.83, 39,215.14 and 16,487.15 is: 22,752.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416.83 : 39,215.14 = 16,487.15 : x
  2. Step 2: Convert to fraction form
    28,416.83/39,215.14 = 16,487.15/x
  3. Step 3: Cross multiply
    28,416.83x = 39,215.14 × 16,487.15
  4. Step 4: Simplify right side
    28,416.83x = 646,545,658.16
  5. Step 5: Solve for x
    x = 646,545,658.16/28,416.83
  6. Step 6: Final answer
    x = 22,752.21

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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.