Home / 27,218.48-37,561.86-15,281.10

Finding the Fourth Proportional to 27,218.48, 37,561.86 and 15,281.10

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Solution

The fourth proportional to 27,218.48, 37,561.86 and 15,281.10 is: 21,088.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218.48 : 37,561.86 = 15,281.10 : x
  2. Step 2: Convert to fraction form
    27,218.48/37,561.86 = 15,281.10/x
  3. Step 3: Cross multiply
    27,218.48x = 37,561.86 × 15,281.10
  4. Step 4: Simplify right side
    27,218.48x = 573,986,538.85
  5. Step 5: Solve for x
    x = 573,986,538.85/27,218.48
  6. Step 6: Final answer
    x = 21,088.12

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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.