Home / 28,026.24-42,023.16-13,957.68

Finding the Fourth Proportional to 28,026.24, 42,023.16 and 13,957.68

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Solution

The fourth proportional to 28,026.24, 42,023.16 and 13,957.68 is: 20,928.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026.24 : 42,023.16 = 13,957.68 : x
  2. Step 2: Convert to fraction form
    28,026.24/42,023.16 = 13,957.68/x
  3. Step 3: Cross multiply
    28,026.24x = 42,023.16 × 13,957.68
  4. Step 4: Simplify right side
    28,026.24x = 586,545,819.87
  5. Step 5: Solve for x
    x = 586,545,819.87/28,026.24
  6. Step 6: Final answer
    x = 20,928.45

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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.