Home / 28,464.66-39,281.08-16,530.93

Finding the Fourth Proportional to 28,464.66, 39,281.08 and 16,530.93

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Solution

The fourth proportional to 28,464.66, 39,281.08 and 16,530.93 is: 22,812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,464.66 : 39,281.08 = 16,530.93 : x
  2. Step 2: Convert to fraction form
    28,464.66/39,281.08 = 16,530.93/x
  3. Step 3: Cross multiply
    28,464.66x = 39,281.08 × 16,530.93
  4. Step 4: Simplify right side
    28,464.66x = 649,352,783.80
  5. Step 5: Solve for x
    x = 649,352,783.80/28,464.66
  6. Step 6: Final answer
    x = 22,812.60

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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.