Home / 28,088.40-38,765.04-16,153.92

Finding the Fourth Proportional to 28,088.40, 38,765.04 and 16,153.92

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Solution

The fourth proportional to 28,088.40, 38,765.04 and 16,153.92 is: 22,294.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,088.40 : 38,765.04 = 16,153.92 : x
  2. Step 2: Convert to fraction form
    28,088.40/38,765.04 = 16,153.92/x
  3. Step 3: Cross multiply
    28,088.40x = 38,765.04 × 16,153.92
  4. Step 4: Simplify right side
    28,088.40x = 626,207,354.96
  5. Step 5: Solve for x
    x = 626,207,354.96/28,088.40
  6. Step 6: Final answer
    x = 22,294.16

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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.