Home / 28,090.91-38,765.46-16,154.00

Finding the Fourth Proportional to 28,090.91, 38,765.46 and 16,154.00

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Solution

The fourth proportional to 28,090.91, 38,765.46 and 16,154.00 is: 22,292.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,090.91 : 38,765.46 = 16,154.00 : x
  2. Step 2: Convert to fraction form
    28,090.91/38,765.46 = 16,154.00/x
  3. Step 3: Cross multiply
    28,090.91x = 38,765.46 × 16,154.00
  4. Step 4: Simplify right side
    28,090.91x = 626,216,966.24
  5. Step 5: Solve for x
    x = 626,216,966.24/28,090.91
  6. Step 6: Final answer
    x = 22,292.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.