Home / 28,800.48-39,746.16-16,226.40

Finding the Fourth Proportional to 28,800.48, 39,746.16 and 16,226.40

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Solution

The fourth proportional to 28,800.48, 39,746.16 and 16,226.40 is: 22,393.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,800.48 : 39,746.16 = 16,226.40 : x
  2. Step 2: Convert to fraction form
    28,800.48/39,746.16 = 16,226.40/x
  3. Step 3: Cross multiply
    28,800.48x = 39,746.16 × 16,226.40
  4. Step 4: Simplify right side
    28,800.48x = 644,937,090.62
  5. Step 5: Solve for x
    x = 644,937,090.62/28,800.48
  6. Step 6: Final answer
    x = 22,393.28

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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.