Home / 26,311.98-36,298.26-15,127.50

Finding the Fourth Proportional to 26,311.98, 36,298.26 and 15,127.50

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Solution

The fourth proportional to 26,311.98, 36,298.26 and 15,127.50 is: 20,868.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,311.98 : 36,298.26 = 15,127.50 : x
  2. Step 2: Convert to fraction form
    26,311.98/36,298.26 = 15,127.50/x
  3. Step 3: Cross multiply
    26,311.98x = 36,298.26 × 15,127.50
  4. Step 4: Simplify right side
    26,311.98x = 549,101,928.15
  5. Step 5: Solve for x
    x = 549,101,928.15/26,311.98
  6. Step 6: Final answer
    x = 20,868.89

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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.