Home / 28,910.16-39,894.93-16,335.18

Finding the Fourth Proportional to 28,910.16, 39,894.93 and 16,335.18

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Solution

The fourth proportional to 28,910.16, 39,894.93 and 16,335.18 is: 22,541.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,910.16 : 39,894.93 = 16,335.18 : x
  2. Step 2: Convert to fraction form
    28,910.16/39,894.93 = 16,335.18/x
  3. Step 3: Cross multiply
    28,910.16x = 39,894.93 × 16,335.18
  4. Step 4: Simplify right side
    28,910.16x = 651,690,862.64
  5. Step 5: Solve for x
    x = 651,690,862.64/28,910.16
  6. Step 6: Final answer
    x = 22,541.93

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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.