Home / 28,059.04-38,719.84-15,483.76

Finding the Fourth Proportional to 28,059.04, 38,719.84 and 15,483.76

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Solution

The fourth proportional to 28,059.04, 38,719.84 and 15,483.76 is: 21,366.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,059.04 : 38,719.84 = 15,483.76 : x
  2. Step 2: Convert to fraction form
    28,059.04/38,719.84 = 15,483.76/x
  3. Step 3: Cross multiply
    28,059.04x = 38,719.84 × 15,483.76
  4. Step 4: Simplify right side
    28,059.04x = 599,528,709.80
  5. Step 5: Solve for x
    x = 599,528,709.80/28,059.04
  6. Step 6: Final answer
    x = 21,366.69

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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.