Home / 28,313.75-39,073.01-15,567.16

Finding the Fourth Proportional to 28,313.75, 39,073.01 and 15,567.16

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Solution

The fourth proportional to 28,313.75, 39,073.01 and 15,567.16 is: 21,482.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,313.75 : 39,073.01 = 15,567.16 : x
  2. Step 2: Convert to fraction form
    28,313.75/39,073.01 = 15,567.16/x
  3. Step 3: Cross multiply
    28,313.75x = 39,073.01 × 15,567.16
  4. Step 4: Simplify right side
    28,313.75x = 608,255,549.57
  5. Step 5: Solve for x
    x = 608,255,549.57/28,313.75
  6. Step 6: Final answer
    x = 21,482.69

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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.