Home / 28,314.36-42,477.72-8,594.40

Finding the Fourth Proportional to 28,314.36, 42,477.72 and 8,594.40

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Solution

The fourth proportional to 28,314.36, 42,477.72 and 8,594.40 is: 12,893.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,314.36 : 42,477.72 = 8,594.40 : x
  2. Step 2: Convert to fraction form
    28,314.36/42,477.72 = 8,594.40/x
  3. Step 3: Cross multiply
    28,314.36x = 42,477.72 × 8,594.40
  4. Step 4: Simplify right side
    28,314.36x = 365,070,516.77
  5. Step 5: Solve for x
    x = 365,070,516.77/28,314.36
  6. Step 6: Final answer
    x = 12,893.48

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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.