Home / 28,883.60-43,325.40-15,030.80

Finding the Fourth Proportional to 28,883.60, 43,325.40 and 15,030.80

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Solution

The fourth proportional to 28,883.60, 43,325.40 and 15,030.80 is: 22,546.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883.60 : 43,325.40 = 15,030.80 : x
  2. Step 2: Convert to fraction form
    28,883.60/43,325.40 = 15,030.80/x
  3. Step 3: Cross multiply
    28,883.60x = 43,325.40 × 15,030.80
  4. Step 4: Simplify right side
    28,883.60x = 651,215,422.32
  5. Step 5: Solve for x
    x = 651,215,422.32/28,883.60
  6. Step 6: Final answer
    x = 22,546.20

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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.