Home / 56,408.16-84,612.24-28,725.60

Finding the Fourth Proportional to 56,408.16, 84,612.24 and 28,725.60

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Solution

The fourth proportional to 56,408.16, 84,612.24 and 28,725.60 is: 43,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,408.16 : 84,612.24 = 28,725.60 : x
  2. Step 2: Convert to fraction form
    56,408.16/84,612.24 = 28,725.60/x
  3. Step 3: Cross multiply
    56,408.16x = 84,612.24 × 28,725.60
  4. Step 4: Simplify right side
    56,408.16x = 2,430,537,361.34
  5. Step 5: Solve for x
    x = 2,430,537,361.34/56,408.16
  6. Step 6: Final answer
    x = 43,088.40

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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.