Home / 28,876.24-39,848.88-16,937.28

Finding the Fourth Proportional to 28,876.24, 39,848.88 and 16,937.28

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Solution

The fourth proportional to 28,876.24, 39,848.88 and 16,937.28 is: 23,373.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876.24 : 39,848.88 = 16,937.28 : x
  2. Step 2: Convert to fraction form
    28,876.24/39,848.88 = 16,937.28/x
  3. Step 3: Cross multiply
    28,876.24x = 39,848.88 × 16,937.28
  4. Step 4: Simplify right side
    28,876.24x = 674,931,638.25
  5. Step 5: Solve for x
    x = 674,931,638.25/28,876.24
  6. Step 6: Final answer
    x = 23,373.25

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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.