Home / 26,630.55-36,751.35-15,303.71

Finding the Fourth Proportional to 26,630.55, 36,751.35 and 15,303.71

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Solution

The fourth proportional to 26,630.55, 36,751.35 and 15,303.71 is: 21,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,630.55 : 36,751.35 = 15,303.71 : x
  2. Step 2: Convert to fraction form
    26,630.55/36,751.35 = 15,303.71/x
  3. Step 3: Cross multiply
    26,630.55x = 36,751.35 × 15,303.71
  4. Step 4: Simplify right side
    26,630.55x = 562,432,002.51
  5. Step 5: Solve for x
    x = 562,432,002.51/26,630.55
  6. Step 6: Final answer
    x = 21,119.80

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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.