Home / 23,539.77-32,436.99-21,878.87

Finding the Fourth Proportional to 23,539.77, 32,436.99 and 21,878.87

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Solution

The fourth proportional to 23,539.77, 32,436.99 and 21,878.87 is: 30,148.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,539.77 : 32,436.99 = 21,878.87 : x
  2. Step 2: Convert to fraction form
    23,539.77/32,436.99 = 21,878.87/x
  3. Step 3: Cross multiply
    23,539.77x = 32,436.99 × 21,878.87
  4. Step 4: Simplify right side
    23,539.77x = 709,684,525.22
  5. Step 5: Solve for x
    x = 709,684,525.22/23,539.77
  6. Step 6: Final answer
    x = 30,148.32

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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.