Home / 29,240.58-40,352.02-15,811.84

Finding the Fourth Proportional to 29,240.58, 40,352.02 and 15,811.84

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Solution

The fourth proportional to 29,240.58, 40,352.02 and 15,811.84 is: 21,820.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,240.58 : 40,352.02 = 15,811.84 : x
  2. Step 2: Convert to fraction form
    29,240.58/40,352.02 = 15,811.84/x
  3. Step 3: Cross multiply
    29,240.58x = 40,352.02 × 15,811.84
  4. Step 4: Simplify right side
    29,240.58x = 638,039,683.92
  5. Step 5: Solve for x
    x = 638,039,683.92/29,240.58
  6. Step 6: Final answer
    x = 21,820.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.