Home / 26,454.18-39,681.63-9,807.78

Finding the Fourth Proportional to 26,454.18, 39,681.63 and 9,807.78

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Solution

The fourth proportional to 26,454.18, 39,681.63 and 9,807.78 is: 14,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,454.18 : 39,681.63 = 9,807.78 : x
  2. Step 2: Convert to fraction form
    26,454.18/39,681.63 = 9,807.78/x
  3. Step 3: Cross multiply
    26,454.18x = 39,681.63 × 9,807.78
  4. Step 4: Simplify right side
    26,454.18x = 389,188,449.63
  5. Step 5: Solve for x
    x = 389,188,449.63/26,454.18
  6. Step 6: Final answer
    x = 14,711.80

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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.