Home / 26,312.40-39,477.78-16,440.12

Finding the Fourth Proportional to 26,312.40, 39,477.78 and 16,440.12

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Solution

The fourth proportional to 26,312.40, 39,477.78 and 16,440.12 is: 24,665.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,312.40 : 39,477.78 = 16,440.12 : x
  2. Step 2: Convert to fraction form
    26,312.40/39,477.78 = 16,440.12/x
  3. Step 3: Cross multiply
    26,312.40x = 39,477.78 × 16,440.12
  4. Step 4: Simplify right side
    26,312.40x = 649,019,440.53
  5. Step 5: Solve for x
    x = 649,019,440.53/26,312.40
  6. Step 6: Final answer
    x = 24,665.92

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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.