Home / 19,085.58-28,599.17-10,202.17

Finding the Fourth Proportional to 19,085.58, 28,599.17 and 10,202.17

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Solution

The fourth proportional to 19,085.58, 28,599.17 and 10,202.17 is: 15,287.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,085.58 : 28,599.17 = 10,202.17 : x
  2. Step 2: Convert to fraction form
    19,085.58/28,599.17 = 10,202.17/x
  3. Step 3: Cross multiply
    19,085.58x = 28,599.17 × 10,202.17
  4. Step 4: Simplify right side
    19,085.58x = 291,773,400.19
  5. Step 5: Solve for x
    x = 291,773,400.19/19,085.58
  6. Step 6: Final answer
    x = 15,287.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.