Home / 25,029.79-34,539.70-13,699.26

Finding the Fourth Proportional to 25,029.79, 34,539.70 and 13,699.26

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Solution

The fourth proportional to 25,029.79, 34,539.70 and 13,699.26 is: 18,904.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,029.79 : 34,539.70 = 13,699.26 : x
  2. Step 2: Convert to fraction form
    25,029.79/34,539.70 = 13,699.26/x
  3. Step 3: Cross multiply
    25,029.79x = 34,539.70 × 13,699.26
  4. Step 4: Simplify right side
    25,029.79x = 473,168,416.61
  5. Step 5: Solve for x
    x = 473,168,416.61/25,029.79
  6. Step 6: Final answer
    x = 18,904.21

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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.