Home / 26,920.30-37,149.74-14,820.40

Finding the Fourth Proportional to 26,920.30, 37,149.74 and 14,820.40

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Solution

The fourth proportional to 26,920.30, 37,149.74 and 14,820.40 is: 20,452.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,920.30 : 37,149.74 = 14,820.40 : x
  2. Step 2: Convert to fraction form
    26,920.30/37,149.74 = 14,820.40/x
  3. Step 3: Cross multiply
    26,920.30x = 37,149.74 × 14,820.40
  4. Step 4: Simplify right side
    26,920.30x = 550,574,006.70
  5. Step 5: Solve for x
    x = 550,574,006.70/26,920.30
  6. Step 6: Final answer
    x = 20,452.00

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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.