Home / 28,293.42-39,045.65-15,546.93

Finding the Fourth Proportional to 28,293.42, 39,045.65 and 15,546.93

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Solution

The fourth proportional to 28,293.42, 39,045.65 and 15,546.93 is: 21,455.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293.42 : 39,045.65 = 15,546.93 : x
  2. Step 2: Convert to fraction form
    28,293.42/39,045.65 = 15,546.93/x
  3. Step 3: Cross multiply
    28,293.42x = 39,045.65 × 15,546.93
  4. Step 4: Simplify right side
    28,293.42x = 607,039,987.35
  5. Step 5: Solve for x
    x = 607,039,987.35/28,293.42
  6. Step 6: Final answer
    x = 21,455.16

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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.