Home / 28,027.63-42,041.45-26,626.15

Finding the Fourth Proportional to 28,027.63, 42,041.45 and 26,626.15

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Solution

The fourth proportional to 28,027.63, 42,041.45 and 26,626.15 is: 39,939.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027.63 : 42,041.45 = 26,626.15 : x
  2. Step 2: Convert to fraction form
    28,027.63/42,041.45 = 26,626.15/x
  3. Step 3: Cross multiply
    28,027.63x = 42,041.45 × 26,626.15
  4. Step 4: Simplify right side
    28,027.63x = 1,119,401,953.92
  5. Step 5: Solve for x
    x = 1,119,401,953.92/28,027.63
  6. Step 6: Final answer
    x = 39,939.23

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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.