Home / 26,075.72-39,113.69-18,319.16

Finding the Fourth Proportional to 26,075.72, 39,113.69 and 18,319.16

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Solution

The fourth proportional to 26,075.72, 39,113.69 and 18,319.16 is: 27,478.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,075.72 : 39,113.69 = 18,319.16 : x
  2. Step 2: Convert to fraction form
    26,075.72/39,113.69 = 18,319.16/x
  3. Step 3: Cross multiply
    26,075.72x = 39,113.69 × 18,319.16
  4. Step 4: Simplify right side
    26,075.72x = 716,529,951.49
  5. Step 5: Solve for x
    x = 716,529,951.49/26,075.72
  6. Step 6: Final answer
    x = 27,478.81

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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.