Home / 28,145.71-42,206.14-14,995.27

Finding the Fourth Proportional to 28,145.71, 42,206.14 and 14,995.27

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Solution

The fourth proportional to 28,145.71, 42,206.14 and 14,995.27 is: 22,486.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,145.71 : 42,206.14 = 14,995.27 : x
  2. Step 2: Convert to fraction form
    28,145.71/42,206.14 = 14,995.27/x
  3. Step 3: Cross multiply
    28,145.71x = 42,206.14 × 14,995.27
  4. Step 4: Simplify right side
    28,145.71x = 632,892,464.96
  5. Step 5: Solve for x
    x = 632,892,464.96/28,145.71
  6. Step 6: Final answer
    x = 22,486.29

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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.