Home / 28,445.34-42,667.74-9,725.16

Finding the Fourth Proportional to 28,445.34, 42,667.74 and 9,725.16

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Solution

The fourth proportional to 28,445.34, 42,667.74 and 9,725.16 is: 14,587.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,445.34 : 42,667.74 = 9,725.16 : x
  2. Step 2: Convert to fraction form
    28,445.34/42,667.74 = 9,725.16/x
  3. Step 3: Cross multiply
    28,445.34x = 42,667.74 × 9,725.16
  4. Step 4: Simplify right side
    28,445.34x = 414,950,598.34
  5. Step 5: Solve for x
    x = 414,950,598.34/28,445.34
  6. Step 6: Final answer
    x = 14,587.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.