Home / 28,876.74-39,849.47-16,130.10

Finding the Fourth Proportional to 28,876.74, 39,849.47 and 16,130.10

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Solution

The fourth proportional to 28,876.74, 39,849.47 and 16,130.10 is: 22,259.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876.74 : 39,849.47 = 16,130.10 : x
  2. Step 2: Convert to fraction form
    28,876.74/39,849.47 = 16,130.10/x
  3. Step 3: Cross multiply
    28,876.74x = 39,849.47 × 16,130.10
  4. Step 4: Simplify right side
    28,876.74x = 642,775,976.37
  5. Step 5: Solve for x
    x = 642,775,976.37/28,876.74
  6. Step 6: Final answer
    x = 22,259.30

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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.