Home / 27,210.79-37,548.31-15,271.80

Finding the Fourth Proportional to 27,210.79, 37,548.31 and 15,271.80

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Solution

The fourth proportional to 27,210.79, 37,548.31 and 15,271.80 is: 21,073.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,210.79 : 37,548.31 = 15,271.80 : x
  2. Step 2: Convert to fraction form
    27,210.79/37,548.31 = 15,271.80/x
  3. Step 3: Cross multiply
    27,210.79x = 37,548.31 × 15,271.80
  4. Step 4: Simplify right side
    27,210.79x = 573,430,280.66
  5. Step 5: Solve for x
    x = 573,430,280.66/27,210.79
  6. Step 6: Final answer
    x = 21,073.64

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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.