Home / 28,823.34-39,780.06-16,891.41

Finding the Fourth Proportional to 28,823.34, 39,780.06 and 16,891.41

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Solution

The fourth proportional to 28,823.34, 39,780.06 and 16,891.41 is: 23,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,823.34 : 39,780.06 = 16,891.41 : x
  2. Step 2: Convert to fraction form
    28,823.34/39,780.06 = 16,891.41/x
  3. Step 3: Cross multiply
    28,823.34x = 39,780.06 × 16,891.41
  4. Step 4: Simplify right side
    28,823.34x = 671,941,303.28
  5. Step 5: Solve for x
    x = 671,941,303.28/28,823.34
  6. Step 6: Final answer
    x = 23,312.40

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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.