Home / 28,043.40-42,065.10-14,892.24

Finding the Fourth Proportional to 28,043.40, 42,065.10 and 14,892.24

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Solution

The fourth proportional to 28,043.40, 42,065.10 and 14,892.24 is: 22,338.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043.40 : 42,065.10 = 14,892.24 : x
  2. Step 2: Convert to fraction form
    28,043.40/42,065.10 = 14,892.24/x
  3. Step 3: Cross multiply
    28,043.40x = 42,065.10 × 14,892.24
  4. Step 4: Simplify right side
    28,043.40x = 626,443,564.82
  5. Step 5: Solve for x
    x = 626,443,564.82/28,043.40
  6. Step 6: Final answer
    x = 22,338.36

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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.