Home / 28,598.61-42,892.64-11,954.18

Finding the Fourth Proportional to 28,598.61, 42,892.64 and 11,954.18

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Solution

The fourth proportional to 28,598.61, 42,892.64 and 11,954.18 is: 17,929.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,598.61 : 42,892.64 = 11,954.18 : x
  2. Step 2: Convert to fraction form
    28,598.61/42,892.64 = 11,954.18/x
  3. Step 3: Cross multiply
    28,598.61x = 42,892.64 × 11,954.18
  4. Step 4: Simplify right side
    28,598.61x = 512,746,065.00
  5. Step 5: Solve for x
    x = 512,746,065.00/28,598.61
  6. Step 6: Final answer
    x = 17,929.06

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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.