Home / 26,478.18-36,540-14,541.21

Finding the Fourth Proportional to 26,478.18, 36,540 and 14,541.21

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Solution

The fourth proportional to 26,478.18, 36,540 and 14,541.21 is: 20,066.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,478.18 : 36,540 = 14,541.21 : x
  2. Step 2: Convert to fraction form
    26,478.18/36,540 = 14,541.21/x
  3. Step 3: Cross multiply
    26,478.18x = 36,540 × 14,541.21
  4. Step 4: Simplify right side
    26,478.18x = 531,335,813.40
  5. Step 5: Solve for x
    x = 531,335,813.40/26,478.18
  6. Step 6: Final answer
    x = 20,066.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.