Home / 28,669.07-43,009.03-12,873.74

Finding the Fourth Proportional to 28,669.07, 43,009.03 and 12,873.74

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Solution

The fourth proportional to 28,669.07, 43,009.03 and 12,873.74 is: 19,313.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,669.07 : 43,009.03 = 12,873.74 : x
  2. Step 2: Convert to fraction form
    28,669.07/43,009.03 = 12,873.74/x
  3. Step 3: Cross multiply
    28,669.07x = 43,009.03 × 12,873.74
  4. Step 4: Simplify right side
    28,669.07x = 553,686,798.50
  5. Step 5: Solve for x
    x = 553,686,798.50/28,669.07
  6. Step 6: Final answer
    x = 19,313.03

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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.