Home / 26,007.80-39,017.85-8,477.63

Finding the Fourth Proportional to 26,007.80, 39,017.85 and 8,477.63

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Solution

The fourth proportional to 26,007.80, 39,017.85 and 8,477.63 is: 12,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,007.80 : 39,017.85 = 8,477.63 : x
  2. Step 2: Convert to fraction form
    26,007.80/39,017.85 = 8,477.63/x
  3. Step 3: Cross multiply
    26,007.80x = 39,017.85 × 8,477.63
  4. Step 4: Simplify right side
    26,007.80x = 330,778,895.70
  5. Step 5: Solve for x
    x = 330,778,895.70/26,007.80
  6. Step 6: Final answer
    x = 12,718.45

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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.