Home / 25,587.81-35,313.78-14,259.15

Finding the Fourth Proportional to 25,587.81, 35,313.78 and 14,259.15

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Solution

The fourth proportional to 25,587.81, 35,313.78 and 14,259.15 is: 19,679.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,587.81 : 35,313.78 = 14,259.15 : x
  2. Step 2: Convert to fraction form
    25,587.81/35,313.78 = 14,259.15/x
  3. Step 3: Cross multiply
    25,587.81x = 35,313.78 × 14,259.15
  4. Step 4: Simplify right side
    25,587.81x = 503,544,486.09
  5. Step 5: Solve for x
    x = 503,544,486.09/25,587.81
  6. Step 6: Final answer
    x = 19,679.08

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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.