Home / 28,133.01-42,203.58-9,407.46

Finding the Fourth Proportional to 28,133.01, 42,203.58 and 9,407.46

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Solution

The fourth proportional to 28,133.01, 42,203.58 and 9,407.46 is: 14,112.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,133.01 : 42,203.58 = 9,407.46 : x
  2. Step 2: Convert to fraction form
    28,133.01/42,203.58 = 9,407.46/x
  3. Step 3: Cross multiply
    28,133.01x = 42,203.58 × 9,407.46
  4. Step 4: Simplify right side
    28,133.01x = 397,028,490.71
  5. Step 5: Solve for x
    x = 397,028,490.71/28,133.01
  6. Step 6: Final answer
    x = 14,112.55

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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.