Home / 28,282.74-42,441.98-15,810.95

Finding the Fourth Proportional to 28,282.74, 42,441.98 and 15,810.95

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Solution

The fourth proportional to 28,282.74, 42,441.98 and 15,810.95 is: 23,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,282.74 : 42,441.98 = 15,810.95 : x
  2. Step 2: Convert to fraction form
    28,282.74/42,441.98 = 15,810.95/x
  3. Step 3: Cross multiply
    28,282.74x = 42,441.98 × 15,810.95
  4. Step 4: Simplify right side
    28,282.74x = 671,047,732.42
  5. Step 5: Solve for x
    x = 671,047,732.42/28,282.74
  6. Step 6: Final answer
    x = 23,726.40

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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.