Home / 25,561.13-35,266.16-15,486.35

Finding the Fourth Proportional to 25,561.13, 35,266.16 and 15,486.35

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Solution

The fourth proportional to 25,561.13, 35,266.16 and 15,486.35 is: 21,366.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,561.13 : 35,266.16 = 15,486.35 : x
  2. Step 2: Convert to fraction form
    25,561.13/35,266.16 = 15,486.35/x
  3. Step 3: Cross multiply
    25,561.13x = 35,266.16 × 15,486.35
  4. Step 4: Simplify right side
    25,561.13x = 546,144,019.48
  5. Step 5: Solve for x
    x = 546,144,019.48/25,561.13
  6. Step 6: Final answer
    x = 21,366.19

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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.