Home / 28,605.78-39,475.76-16,501.82

Finding the Fourth Proportional to 28,605.78, 39,475.76 and 16,501.82

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Solution

The fourth proportional to 28,605.78, 39,475.76 and 16,501.82 is: 22,772.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,605.78 : 39,475.76 = 16,501.82 : x
  2. Step 2: Convert to fraction form
    28,605.78/39,475.76 = 16,501.82/x
  3. Step 3: Cross multiply
    28,605.78x = 39,475.76 × 16,501.82
  4. Step 4: Simplify right side
    28,605.78x = 651,421,606.00
  5. Step 5: Solve for x
    x = 651,421,606.00/28,605.78
  6. Step 6: Final answer
    x = 22,772.38

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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.