Home / 25,726.02-35,505.07-15,655.49

Finding the Fourth Proportional to 25,726.02, 35,505.07 and 15,655.49

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Solution

The fourth proportional to 25,726.02, 35,505.07 and 15,655.49 is: 21,606.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,726.02 : 35,505.07 = 15,655.49 : x
  2. Step 2: Convert to fraction form
    25,726.02/35,505.07 = 15,655.49/x
  3. Step 3: Cross multiply
    25,726.02x = 35,505.07 × 15,655.49
  4. Step 4: Simplify right side
    25,726.02x = 555,849,184.81
  5. Step 5: Solve for x
    x = 555,849,184.81/25,726.02
  6. Step 6: Final answer
    x = 21,606.50

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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.