Home / 26,561.77-39,838.05-9,921.95

Finding the Fourth Proportional to 26,561.77, 39,838.05 and 9,921.95

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Solution

The fourth proportional to 26,561.77, 39,838.05 and 9,921.95 is: 14,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,561.77 : 39,838.05 = 9,921.95 : x
  2. Step 2: Convert to fraction form
    26,561.77/39,838.05 = 9,921.95/x
  3. Step 3: Cross multiply
    26,561.77x = 39,838.05 × 9,921.95
  4. Step 4: Simplify right side
    26,561.77x = 395,271,140.20
  5. Step 5: Solve for x
    x = 395,271,140.20/26,561.77
  6. Step 6: Final answer
    x = 14,881.20

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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.