Home / 25,637.71-35,396.06-19,657.88

Finding the Fourth Proportional to 25,637.71, 35,396.06 and 19,657.88

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Solution

The fourth proportional to 25,637.71, 35,396.06 and 19,657.88 is: 27,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,637.71 : 35,396.06 = 19,657.88 : x
  2. Step 2: Convert to fraction form
    25,637.71/35,396.06 = 19,657.88/x
  3. Step 3: Cross multiply
    25,637.71x = 35,396.06 × 19,657.88
  4. Step 4: Simplify right side
    25,637.71x = 695,811,499.95
  5. Step 5: Solve for x
    x = 695,811,499.95/25,637.71
  6. Step 6: Final answer
    x = 27,140.16

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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.