Home / 28,825.65-42,951.92-25,681.50

Finding the Fourth Proportional to 28,825.65, 42,951.92 and 25,681.50

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Solution

The fourth proportional to 28,825.65, 42,951.92 and 25,681.50 is: 38,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,825.65 : 42,951.92 = 25,681.50 : x
  2. Step 2: Convert to fraction form
    28,825.65/42,951.92 = 25,681.50/x
  3. Step 3: Cross multiply
    28,825.65x = 42,951.92 × 25,681.50
  4. Step 4: Simplify right side
    28,825.65x = 1,103,069,605.07
  5. Step 5: Solve for x
    x = 1,103,069,605.07/28,825.65
  6. Step 6: Final answer
    x = 38,266.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.