Home / 28,026.45-42,030.42-10,253.07

Finding the Fourth Proportional to 28,026.45, 42,030.42 and 10,253.07

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Solution

The fourth proportional to 28,026.45, 42,030.42 and 10,253.07 is: 15,376.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026.45 : 42,030.42 = 10,253.07 : x
  2. Step 2: Convert to fraction form
    28,026.45/42,030.42 = 10,253.07/x
  3. Step 3: Cross multiply
    28,026.45x = 42,030.42 × 10,253.07
  4. Step 4: Simplify right side
    28,026.45x = 430,940,838.39
  5. Step 5: Solve for x
    x = 430,940,838.39/28,026.45
  6. Step 6: Final answer
    x = 15,376.22

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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.