Home / 28,977.60-43,466.40-9,256.80

Finding the Fourth Proportional to 28,977.60, 43,466.40 and 9,256.80

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Solution

The fourth proportional to 28,977.60, 43,466.40 and 9,256.80 is: 13,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977.60 : 43,466.40 = 9,256.80 : x
  2. Step 2: Convert to fraction form
    28,977.60/43,466.40 = 9,256.80/x
  3. Step 3: Cross multiply
    28,977.60x = 43,466.40 × 9,256.80
  4. Step 4: Simplify right side
    28,977.60x = 402,359,771.52
  5. Step 5: Solve for x
    x = 402,359,771.52/28,977.60
  6. Step 6: Final answer
    x = 13,885.20

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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.