Home / 21,907.02-32,860.52-5,267.05

Finding the Fourth Proportional to 21,907.02, 32,860.52 and 5,267.05

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Solution

The fourth proportional to 21,907.02, 32,860.52 and 5,267.05 is: 7,900.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,907.02 : 32,860.52 = 5,267.05 : x
  2. Step 2: Convert to fraction form
    21,907.02/32,860.52 = 5,267.05/x
  3. Step 3: Cross multiply
    21,907.02x = 32,860.52 × 5,267.05
  4. Step 4: Simplify right side
    21,907.02x = 173,077,984.12
  5. Step 5: Solve for x
    x = 173,077,984.12/21,907.02
  6. Step 6: Final answer
    x = 7,900.57

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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.