Home / 21,907.10-32,860.65-14,908.70

Finding the Fourth Proportional to 21,907.10, 32,860.65 and 14,908.70

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Solution

The fourth proportional to 21,907.10, 32,860.65 and 14,908.70 is: 22,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,907.10 : 32,860.65 = 14,908.70 : x
  2. Step 2: Convert to fraction form
    21,907.10/32,860.65 = 14,908.70/x
  3. Step 3: Cross multiply
    21,907.10x = 32,860.65 × 14,908.70
  4. Step 4: Simplify right side
    21,907.10x = 489,909,572.66
  5. Step 5: Solve for x
    x = 489,909,572.66/21,907.10
  6. Step 6: Final answer
    x = 22,363.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.