Home / 28,312.95-39,069.45-16,376.97

Finding the Fourth Proportional to 28,312.95, 39,069.45 and 16,376.97

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Solution

The fourth proportional to 28,312.95, 39,069.45 and 16,376.97 is: 22,598.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,312.95 : 39,069.45 = 16,376.97 : x
  2. Step 2: Convert to fraction form
    28,312.95/39,069.45 = 16,376.97/x
  3. Step 3: Cross multiply
    28,312.95x = 39,069.45 × 16,376.97
  4. Step 4: Simplify right side
    28,312.95x = 639,839,210.57
  5. Step 5: Solve for x
    x = 639,839,210.57/28,312.95
  6. Step 6: Final answer
    x = 22,598.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.