Home / 28,464.23-39,278.42-16,528.46

Finding the Fourth Proportional to 28,464.23, 39,278.42 and 16,528.46

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Solution

The fourth proportional to 28,464.23, 39,278.42 and 16,528.46 is: 22,807.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,464.23 : 39,278.42 = 16,528.46 : x
  2. Step 2: Convert to fraction form
    28,464.23/39,278.42 = 16,528.46/x
  3. Step 3: Cross multiply
    28,464.23x = 39,278.42 × 16,528.46
  4. Step 4: Simplify right side
    28,464.23x = 649,211,576.78
  5. Step 5: Solve for x
    x = 649,211,576.78/28,464.23
  6. Step 6: Final answer
    x = 22,807.98

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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.