Home / 28,749.40-43,034.91-15,569.08

Finding the Fourth Proportional to 28,749.40, 43,034.91 and 15,569.08

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Solution

The fourth proportional to 28,749.40, 43,034.91 and 15,569.08 is: 23,305.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749.40 : 43,034.91 = 15,569.08 : x
  2. Step 2: Convert to fraction form
    28,749.40/43,034.91 = 15,569.08/x
  3. Step 3: Cross multiply
    28,749.40x = 43,034.91 × 15,569.08
  4. Step 4: Simplify right side
    28,749.40x = 670,013,956.58
  5. Step 5: Solve for x
    x = 670,013,956.58/28,749.40
  6. Step 6: Final answer
    x = 23,305.32

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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.