Home / 26,085.12-39,137.28-10,507.20

Finding the Fourth Proportional to 26,085.12, 39,137.28 and 10,507.20

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Solution

The fourth proportional to 26,085.12, 39,137.28 and 10,507.20 is: 15,764.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,085.12 : 39,137.28 = 10,507.20 : x
  2. Step 2: Convert to fraction form
    26,085.12/39,137.28 = 10,507.20/x
  3. Step 3: Cross multiply
    26,085.12x = 39,137.28 × 10,507.20
  4. Step 4: Simplify right side
    26,085.12x = 411,223,228.42
  5. Step 5: Solve for x
    x = 411,223,228.42/26,085.12
  6. Step 6: Final answer
    x = 15,764.67

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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.