Home / 27,271.95-37,653.93-20,887.26

Finding the Fourth Proportional to 27,271.95, 37,653.93 and 20,887.26

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Solution

The fourth proportional to 27,271.95, 37,653.93 and 20,887.26 is: 28,838.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,271.95 : 37,653.93 = 20,887.26 : x
  2. Step 2: Convert to fraction form
    27,271.95/37,653.93 = 20,887.26/x
  3. Step 3: Cross multiply
    27,271.95x = 37,653.93 × 20,887.26
  4. Step 4: Simplify right side
    27,271.95x = 786,487,425.93
  5. Step 5: Solve for x
    x = 786,487,425.93/27,271.95
  6. Step 6: Final answer
    x = 28,838.69

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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.