Home / 27,485.03-37,929.28-14,909.78

Finding the Fourth Proportional to 27,485.03, 37,929.28 and 14,909.78

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Solution

The fourth proportional to 27,485.03, 37,929.28 and 14,909.78 is: 20,575.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,485.03 : 37,929.28 = 14,909.78 : x
  2. Step 2: Convert to fraction form
    27,485.03/37,929.28 = 14,909.78/x
  3. Step 3: Cross multiply
    27,485.03x = 37,929.28 × 14,909.78
  4. Step 4: Simplify right side
    27,485.03x = 565,517,220.36
  5. Step 5: Solve for x
    x = 565,517,220.36/27,485.03
  6. Step 6: Final answer
    x = 20,575.46

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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.