Home / 28,465.14-39,281.22-16,528.14

Finding the Fourth Proportional to 28,465.14, 39,281.22 and 16,528.14

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Solution

The fourth proportional to 28,465.14, 39,281.22 and 16,528.14 is: 22,808.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465.14 : 39,281.22 = 16,528.14 : x
  2. Step 2: Convert to fraction form
    28,465.14/39,281.22 = 16,528.14/x
  3. Step 3: Cross multiply
    28,465.14x = 39,281.22 × 16,528.14
  4. Step 4: Simplify right side
    28,465.14x = 649,245,503.53
  5. Step 5: Solve for x
    x = 649,245,503.53/28,465.14
  6. Step 6: Final answer
    x = 22,808.44

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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.