Home / 28,862.08-43,261.44-18,854.48

Finding the Fourth Proportional to 28,862.08, 43,261.44 and 18,854.48

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Solution

The fourth proportional to 28,862.08, 43,261.44 and 18,854.48 is: 28,261.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,862.08 : 43,261.44 = 18,854.48 : x
  2. Step 2: Convert to fraction form
    28,862.08/43,261.44 = 18,854.48/x
  3. Step 3: Cross multiply
    28,862.08x = 43,261.44 × 18,854.48
  4. Step 4: Simplify right side
    28,862.08x = 815,671,955.25
  5. Step 5: Solve for x
    x = 815,671,955.25/28,862.08
  6. Step 6: Final answer
    x = 28,261.02

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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.