Home / 28,277.18-39,027.31-16,347.45

Finding the Fourth Proportional to 28,277.18, 39,027.31 and 16,347.45

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Solution

The fourth proportional to 28,277.18, 39,027.31 and 16,347.45 is: 22,562.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,277.18 : 39,027.31 = 16,347.45 : x
  2. Step 2: Convert to fraction form
    28,277.18/39,027.31 = 16,347.45/x
  3. Step 3: Cross multiply
    28,277.18x = 39,027.31 × 16,347.45
  4. Step 4: Simplify right side
    28,277.18x = 637,997,014.69
  5. Step 5: Solve for x
    x = 637,997,014.69/28,277.18
  6. Step 6: Final answer
    x = 22,562.26

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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.