Home / 28,379.37-42,595.31-14,349.36

Finding the Fourth Proportional to 28,379.37, 42,595.31 and 14,349.36

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Solution

The fourth proportional to 28,379.37, 42,595.31 and 14,349.36 is: 21,537.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,379.37 : 42,595.31 = 14,349.36 : x
  2. Step 2: Convert to fraction form
    28,379.37/42,595.31 = 14,349.36/x
  3. Step 3: Cross multiply
    28,379.37x = 42,595.31 × 14,349.36
  4. Step 4: Simplify right side
    28,379.37x = 611,215,437.50
  5. Step 5: Solve for x
    x = 611,215,437.50/28,379.37
  6. Step 6: Final answer
    x = 21,537.32

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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.