Home / 28,280.67-39,024.39-16,347.84

Finding the Fourth Proportional to 28,280.67, 39,024.39 and 16,347.84

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Solution

The fourth proportional to 28,280.67, 39,024.39 and 16,347.84 is: 22,558.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,280.67 : 39,024.39 = 16,347.84 : x
  2. Step 2: Convert to fraction form
    28,280.67/39,024.39 = 16,347.84/x
  3. Step 3: Cross multiply
    28,280.67x = 39,024.39 × 16,347.84
  4. Step 4: Simplify right side
    28,280.67x = 637,964,483.82
  5. Step 5: Solve for x
    x = 637,964,483.82/28,280.67
  6. Step 6: Final answer
    x = 22,558.32

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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.