Home / 28,800.67-39,740.11-16,051.07

Finding the Fourth Proportional to 28,800.67, 39,740.11 and 16,051.07

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Solution

The fourth proportional to 28,800.67, 39,740.11 and 16,051.07 is: 22,147.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,800.67 : 39,740.11 = 16,051.07 : x
  2. Step 2: Convert to fraction form
    28,800.67/39,740.11 = 16,051.07/x
  3. Step 3: Cross multiply
    28,800.67x = 39,740.11 × 16,051.07
  4. Step 4: Simplify right side
    28,800.67x = 637,871,287.42
  5. Step 5: Solve for x
    x = 637,871,287.42/28,800.67
  6. Step 6: Final answer
    x = 22,147.79

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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.