Home / 28,893.34-43,345.95-13,090.78

Finding the Fourth Proportional to 28,893.34, 43,345.95 and 13,090.78

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Solution

The fourth proportional to 28,893.34, 43,345.95 and 13,090.78 is: 19,638.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,893.34 : 43,345.95 = 13,090.78 : x
  2. Step 2: Convert to fraction form
    28,893.34/43,345.95 = 13,090.78/x
  3. Step 3: Cross multiply
    28,893.34x = 43,345.95 × 13,090.78
  4. Step 4: Simplify right side
    28,893.34x = 567,432,295.34
  5. Step 5: Solve for x
    x = 567,432,295.34/28,893.34
  6. Step 6: Final answer
    x = 19,638.86

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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.