Home / 28,685.86-39,582.18-16,108.18

Finding the Fourth Proportional to 28,685.86, 39,582.18 and 16,108.18

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Solution

The fourth proportional to 28,685.86, 39,582.18 and 16,108.18 is: 22,226.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,685.86 : 39,582.18 = 16,108.18 : x
  2. Step 2: Convert to fraction form
    28,685.86/39,582.18 = 16,108.18/x
  3. Step 3: Cross multiply
    28,685.86x = 39,582.18 × 16,108.18
  4. Step 4: Simplify right side
    28,685.86x = 637,596,880.23
  5. Step 5: Solve for x
    x = 637,596,880.23/28,685.86
  6. Step 6: Final answer
    x = 22,226.87

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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.