Home / 26,221.66-39,345.18-13,075.90

Finding the Fourth Proportional to 26,221.66, 39,345.18 and 13,075.90

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Solution

The fourth proportional to 26,221.66, 39,345.18 and 13,075.90 is: 19,620.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,221.66 : 39,345.18 = 13,075.90 : x
  2. Step 2: Convert to fraction form
    26,221.66/39,345.18 = 13,075.90/x
  3. Step 3: Cross multiply
    26,221.66x = 39,345.18 × 13,075.90
  4. Step 4: Simplify right side
    26,221.66x = 514,473,639.16
  5. Step 5: Solve for x
    x = 514,473,639.16/26,221.66
  6. Step 6: Final answer
    x = 19,620.18

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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.