Home / 26,485.16-39,718.89-10,686.11

Finding the Fourth Proportional to 26,485.16, 39,718.89 and 10,686.11

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Solution

The fourth proportional to 26,485.16, 39,718.89 and 10,686.11 is: 16,025.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,485.16 : 39,718.89 = 10,686.11 : x
  2. Step 2: Convert to fraction form
    26,485.16/39,718.89 = 10,686.11/x
  3. Step 3: Cross multiply
    26,485.16x = 39,718.89 × 10,686.11
  4. Step 4: Simplify right side
    26,485.16x = 424,440,229.02
  5. Step 5: Solve for x
    x = 424,440,229.02/26,485.16
  6. Step 6: Final answer
    x = 16,025.59

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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.