Home / 28,746.34-39,669.96-16,171.10

Finding the Fourth Proportional to 28,746.34, 39,669.96 and 16,171.10

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Solution

The fourth proportional to 28,746.34, 39,669.96 and 16,171.10 is: 22,316.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,746.34 : 39,669.96 = 16,171.10 : x
  2. Step 2: Convert to fraction form
    28,746.34/39,669.96 = 16,171.10/x
  3. Step 3: Cross multiply
    28,746.34x = 39,669.96 × 16,171.10
  4. Step 4: Simplify right side
    28,746.34x = 641,506,890.16
  5. Step 5: Solve for x
    x = 641,506,890.16/28,746.34
  6. Step 6: Final answer
    x = 22,316.12

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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.