Home / 29,268.19-40,373.65-18,509.74

Finding the Fourth Proportional to 29,268.19, 40,373.65 and 18,509.74

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Solution

The fourth proportional to 29,268.19, 40,373.65 and 18,509.74 is: 25,533.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,268.19 : 40,373.65 = 18,509.74 : x
  2. Step 2: Convert to fraction form
    29,268.19/40,373.65 = 18,509.74/x
  3. Step 3: Cross multiply
    29,268.19x = 40,373.65 × 18,509.74
  4. Step 4: Simplify right side
    29,268.19x = 747,305,826.13
  5. Step 5: Solve for x
    x = 747,305,826.13/29,268.19
  6. Step 6: Final answer
    x = 25,533.04

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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.