Home / 28,235.09-42,345.75-9,510.25

Finding the Fourth Proportional to 28,235.09, 42,345.75 and 9,510.25

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Solution

The fourth proportional to 28,235.09, 42,345.75 and 9,510.25 is: 14,263.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,235.09 : 42,345.75 = 9,510.25 : x
  2. Step 2: Convert to fraction form
    28,235.09/42,345.75 = 9,510.25/x
  3. Step 3: Cross multiply
    28,235.09x = 42,345.75 × 9,510.25
  4. Step 4: Simplify right side
    28,235.09x = 402,718,668.94
  5. Step 5: Solve for x
    x = 402,718,668.94/28,235.09
  6. Step 6: Final answer
    x = 14,263.06

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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.