Home / 43,587.84-65,381.12-28,889.60

Finding the Fourth Proportional to 43,587.84, 65,381.12 and 28,889.60

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Solution

The fourth proportional to 43,587.84, 65,381.12 and 28,889.60 is: 43,333.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,587.84 : 65,381.12 = 28,889.60 : x
  2. Step 2: Convert to fraction form
    43,587.84/65,381.12 = 28,889.60/x
  3. Step 3: Cross multiply
    43,587.84x = 65,381.12 × 28,889.60
  4. Step 4: Simplify right side
    43,587.84x = 1,888,834,404.35
  5. Step 5: Solve for x
    x = 1,888,834,404.35/43,587.84
  6. Step 6: Final answer
    x = 43,333.98

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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.