Home / 28,901.67-39,883.80-16,155.10

Finding the Fourth Proportional to 28,901.67, 39,883.80 and 16,155.10

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Solution

The fourth proportional to 28,901.67, 39,883.80 and 16,155.10 is: 22,293.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.67 : 39,883.80 = 16,155.10 : x
  2. Step 2: Convert to fraction form
    28,901.67/39,883.80 = 16,155.10/x
  3. Step 3: Cross multiply
    28,901.67x = 39,883.80 × 16,155.10
  4. Step 4: Simplify right side
    28,901.67x = 644,326,777.38
  5. Step 5: Solve for x
    x = 644,326,777.38/28,901.67
  6. Step 6: Final answer
    x = 22,293.76

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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.