Home / 28,288.16-42,438.31-9,567.27

Finding the Fourth Proportional to 28,288.16, 42,438.31 and 9,567.27

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Solution

The fourth proportional to 28,288.16, 42,438.31 and 9,567.27 is: 14,352.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,288.16 : 42,438.31 = 9,567.27 : x
  2. Step 2: Convert to fraction form
    28,288.16/42,438.31 = 9,567.27/x
  3. Step 3: Cross multiply
    28,288.16x = 42,438.31 × 9,567.27
  4. Step 4: Simplify right side
    28,288.16x = 406,018,770.11
  5. Step 5: Solve for x
    x = 406,018,770.11/28,288.16
  6. Step 6: Final answer
    x = 14,352.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.