Home / 28,606.68-42,922.40-15,468.36

Finding the Fourth Proportional to 28,606.68, 42,922.40 and 15,468.36

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Solution

The fourth proportional to 28,606.68, 42,922.40 and 15,468.36 is: 23,209.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,606.68 : 42,922.40 = 15,468.36 : x
  2. Step 2: Convert to fraction form
    28,606.68/42,922.40 = 15,468.36/x
  3. Step 3: Cross multiply
    28,606.68x = 42,922.40 × 15,468.36
  4. Step 4: Simplify right side
    28,606.68x = 663,939,135.26
  5. Step 5: Solve for x
    x = 663,939,135.26/28,606.68
  6. Step 6: Final answer
    x = 23,209.23

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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.