Home / 28,207-38,929.54-16,270.07

Finding the Fourth Proportional to 28,207, 38,929.54 and 16,270.07

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Solution

The fourth proportional to 28,207, 38,929.54 and 16,270.07 is: 22,454.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,207 : 38,929.54 = 16,270.07 : x
  2. Step 2: Convert to fraction form
    28,207/38,929.54 = 16,270.07/x
  3. Step 3: Cross multiply
    28,207x = 38,929.54 × 16,270.07
  4. Step 4: Simplify right side
    28,207x = 633,386,340.87
  5. Step 5: Solve for x
    x = 633,386,340.87/28,207
  6. Step 6: Final answer
    x = 22,454.93

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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.