Home / 28,001.37-42,018.59-10,230.45

Finding the Fourth Proportional to 28,001.37, 42,018.59 and 10,230.45

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Solution

The fourth proportional to 28,001.37, 42,018.59 and 10,230.45 is: 15,351.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,001.37 : 42,018.59 = 10,230.45 : x
  2. Step 2: Convert to fraction form
    28,001.37/42,018.59 = 10,230.45/x
  3. Step 3: Cross multiply
    28,001.37x = 42,018.59 × 10,230.45
  4. Step 4: Simplify right side
    28,001.37x = 429,869,084.07
  5. Step 5: Solve for x
    x = 429,869,084.07/28,001.37
  6. Step 6: Final answer
    x = 15,351.72

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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.