Home / 26,148.91-39,225.39-15,690.19

Finding the Fourth Proportional to 26,148.91, 39,225.39 and 15,690.19

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Solution

The fourth proportional to 26,148.91, 39,225.39 and 15,690.19 is: 23,536.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,148.91 : 39,225.39 = 15,690.19 : x
  2. Step 2: Convert to fraction form
    26,148.91/39,225.39 = 15,690.19/x
  3. Step 3: Cross multiply
    26,148.91x = 39,225.39 × 15,690.19
  4. Step 4: Simplify right side
    26,148.91x = 615,453,821.92
  5. Step 5: Solve for x
    x = 615,453,821.92/26,148.91
  6. Step 6: Final answer
    x = 23,536.50

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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.