Home / 29,303.83-40,439.39-15,875.05

Finding the Fourth Proportional to 29,303.83, 40,439.39 and 15,875.05

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Solution

The fourth proportional to 29,303.83, 40,439.39 and 15,875.05 is: 21,907.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,303.83 : 40,439.39 = 15,875.05 : x
  2. Step 2: Convert to fraction form
    29,303.83/40,439.39 = 15,875.05/x
  3. Step 3: Cross multiply
    29,303.83x = 40,439.39 × 15,875.05
  4. Step 4: Simplify right side
    29,303.83x = 641,977,338.22
  5. Step 5: Solve for x
    x = 641,977,338.22/29,303.83
  6. Step 6: Final answer
    x = 21,907.63

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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.