Home / 28,701.56-39,627.45-25,667.24

Finding the Fourth Proportional to 28,701.56, 39,627.45 and 25,667.24

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Solution

The fourth proportional to 28,701.56, 39,627.45 and 25,667.24 is: 35,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,701.56 : 39,627.45 = 25,667.24 : x
  2. Step 2: Convert to fraction form
    28,701.56/39,627.45 = 25,667.24/x
  3. Step 3: Cross multiply
    28,701.56x = 39,627.45 × 25,667.24
  4. Step 4: Simplify right side
    28,701.56x = 1,017,127,269.74
  5. Step 5: Solve for x
    x = 1,017,127,269.74/28,701.56
  6. Step 6: Final answer
    x = 35,438.05

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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.