Home / 28,087.07-42,095.57-18,065.12

Finding the Fourth Proportional to 28,087.07, 42,095.57 and 18,065.12

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Solution

The fourth proportional to 28,087.07, 42,095.57 and 18,065.12 is: 27,075.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,087.07 : 42,095.57 = 18,065.12 : x
  2. Step 2: Convert to fraction form
    28,087.07/42,095.57 = 18,065.12/x
  3. Step 3: Cross multiply
    28,087.07x = 42,095.57 × 18,065.12
  4. Step 4: Simplify right side
    28,087.07x = 760,461,222.71
  5. Step 5: Solve for x
    x = 760,461,222.71/28,087.07
  6. Step 6: Final answer
    x = 27,075.14

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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.