Home / 28,929.08-43,398.84-10,209.68

Finding the Fourth Proportional to 28,929.08, 43,398.84 and 10,209.68

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Solution

The fourth proportional to 28,929.08, 43,398.84 and 10,209.68 is: 15,316.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,929.08 : 43,398.84 = 10,209.68 : x
  2. Step 2: Convert to fraction form
    28,929.08/43,398.84 = 10,209.68/x
  3. Step 3: Cross multiply
    28,929.08x = 43,398.84 × 10,209.68
  4. Step 4: Simplify right side
    28,929.08x = 443,088,268.77
  5. Step 5: Solve for x
    x = 443,088,268.77/28,929.08
  6. Step 6: Final answer
    x = 15,316.36

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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.