Home / 28,298.37-42,421.16-9,565.37

Finding the Fourth Proportional to 28,298.37, 42,421.16 and 9,565.37

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Solution

The fourth proportional to 28,298.37, 42,421.16 and 9,565.37 is: 14,339.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,298.37 : 42,421.16 = 9,565.37 : x
  2. Step 2: Convert to fraction form
    28,298.37/42,421.16 = 9,565.37/x
  3. Step 3: Cross multiply
    28,298.37x = 42,421.16 × 9,565.37
  4. Step 4: Simplify right side
    28,298.37x = 405,774,026.25
  5. Step 5: Solve for x
    x = 405,774,026.25/28,298.37
  6. Step 6: Final answer
    x = 14,339.13

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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.