Home / 40,437.40-60,656.10-28,627.60

Finding the Fourth Proportional to 40,437.40, 60,656.10 and 28,627.60

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Solution

The fourth proportional to 40,437.40, 60,656.10 and 28,627.60 is: 42,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,437.40 : 60,656.10 = 28,627.60 : x
  2. Step 2: Convert to fraction form
    40,437.40/60,656.10 = 28,627.60/x
  3. Step 3: Cross multiply
    40,437.40x = 60,656.10 × 28,627.60
  4. Step 4: Simplify right side
    40,437.40x = 1,736,438,568.36
  5. Step 5: Solve for x
    x = 1,736,438,568.36/40,437.40
  6. Step 6: Final answer
    x = 42,941.40

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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.