Home / 40,435.20-60,652.80-26,438.40

Finding the Fourth Proportional to 40,435.20, 60,652.80 and 26,438.40

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Solution

The fourth proportional to 40,435.20, 60,652.80 and 26,438.40 is: 39,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,435.20 : 60,652.80 = 26,438.40 : x
  2. Step 2: Convert to fraction form
    40,435.20/60,652.80 = 26,438.40/x
  3. Step 3: Cross multiply
    40,435.20x = 60,652.80 × 26,438.40
  4. Step 4: Simplify right side
    40,435.20x = 1,603,562,987.52
  5. Step 5: Solve for x
    x = 1,603,562,987.52/40,435.20
  6. Step 6: Final answer
    x = 39,657.60

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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.