Home / 26,281.98-39,428.16-9,642.17

Finding the Fourth Proportional to 26,281.98, 39,428.16 and 9,642.17

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Solution

The fourth proportional to 26,281.98, 39,428.16 and 9,642.17 is: 14,465.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,281.98 : 39,428.16 = 9,642.17 : x
  2. Step 2: Convert to fraction form
    26,281.98/39,428.16 = 9,642.17/x
  3. Step 3: Cross multiply
    26,281.98x = 39,428.16 × 9,642.17
  4. Step 4: Simplify right side
    26,281.98x = 380,172,776.16
  5. Step 5: Solve for x
    x = 380,172,776.16/26,281.98
  6. Step 6: Final answer
    x = 14,465.15

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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.