Home / 20,527.23-28,326.86-11,573.60

Finding the Fourth Proportional to 20,527.23, 28,326.86 and 11,573.60

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Solution

The fourth proportional to 20,527.23, 28,326.86 and 11,573.60 is: 15,971.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527.23 : 28,326.86 = 11,573.60 : x
  2. Step 2: Convert to fraction form
    20,527.23/28,326.86 = 11,573.60/x
  3. Step 3: Cross multiply
    20,527.23x = 28,326.86 × 11,573.60
  4. Step 4: Simplify right side
    20,527.23x = 327,843,547.39
  5. Step 5: Solve for x
    x = 327,843,547.39/20,527.23
  6. Step 6: Final answer
    x = 15,971.15

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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.