Home / 27,440.02-37,867.98-15,503.12

Finding the Fourth Proportional to 27,440.02, 37,867.98 and 15,503.12

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Solution

The fourth proportional to 27,440.02, 37,867.98 and 15,503.12 is: 21,394.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,440.02 : 37,867.98 = 15,503.12 : x
  2. Step 2: Convert to fraction form
    27,440.02/37,867.98 = 15,503.12/x
  3. Step 3: Cross multiply
    27,440.02x = 37,867.98 × 15,503.12
  4. Step 4: Simplify right side
    27,440.02x = 587,071,838.10
  5. Step 5: Solve for x
    x = 587,071,838.10/27,440.02
  6. Step 6: Final answer
    x = 21,394.73

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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.