Home / 27,422.02-37,842.10-15,485.86

Finding the Fourth Proportional to 27,422.02, 37,842.10 and 15,485.86

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Solution

The fourth proportional to 27,422.02, 37,842.10 and 15,485.86 is: 21,370.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,422.02 : 37,842.10 = 15,485.86 : x
  2. Step 2: Convert to fraction form
    27,422.02/37,842.10 = 15,485.86/x
  3. Step 3: Cross multiply
    27,422.02x = 37,842.10 × 15,485.86
  4. Step 4: Simplify right side
    27,422.02x = 586,017,462.71
  5. Step 5: Solve for x
    x = 586,017,462.71/27,422.02
  6. Step 6: Final answer
    x = 21,370.32

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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.