Home / 27,405.60-37,819.28-14,830.24

Finding the Fourth Proportional to 27,405.60, 37,819.28 and 14,830.24

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Solution

The fourth proportional to 27,405.60, 37,819.28 and 14,830.24 is: 20,465.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,405.60 : 37,819.28 = 14,830.24 : x
  2. Step 2: Convert to fraction form
    27,405.60/37,819.28 = 14,830.24/x
  3. Step 3: Cross multiply
    27,405.60x = 37,819.28 × 14,830.24
  4. Step 4: Simplify right side
    27,405.60x = 560,868,999.03
  5. Step 5: Solve for x
    x = 560,868,999.03/27,405.60
  6. Step 6: Final answer
    x = 20,465.49

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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.