Home / 27,290.61-37,661.18-15,354.15

Finding the Fourth Proportional to 27,290.61, 37,661.18 and 15,354.15

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Solution

The fourth proportional to 27,290.61, 37,661.18 and 15,354.15 is: 21,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,290.61 : 37,661.18 = 15,354.15 : x
  2. Step 2: Convert to fraction form
    27,290.61/37,661.18 = 15,354.15/x
  3. Step 3: Cross multiply
    27,290.61x = 37,661.18 × 15,354.15
  4. Step 4: Simplify right side
    27,290.61x = 578,255,406.90
  5. Step 5: Solve for x
    x = 578,255,406.90/27,290.61
  6. Step 6: Final answer
    x = 21,188.80

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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.