Home / 25,347.54-34,970.94-15,272.19

Finding the Fourth Proportional to 25,347.54, 34,970.94 and 15,272.19

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Solution

The fourth proportional to 25,347.54, 34,970.94 and 15,272.19 is: 21,070.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,347.54 : 34,970.94 = 15,272.19 : x
  2. Step 2: Convert to fraction form
    25,347.54/34,970.94 = 15,272.19/x
  3. Step 3: Cross multiply
    25,347.54x = 34,970.94 × 15,272.19
  4. Step 4: Simplify right side
    25,347.54x = 534,082,840.16
  5. Step 5: Solve for x
    x = 534,082,840.16/25,347.54
  6. Step 6: Final answer
    x = 21,070.40

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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.