Home / 29,326.47-40,503.95-19,878.63

Finding the Fourth Proportional to 29,326.47, 40,503.95 and 19,878.63

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Solution

The fourth proportional to 29,326.47, 40,503.95 and 19,878.63 is: 27,455.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,326.47 : 40,503.95 = 19,878.63 : x
  2. Step 2: Convert to fraction form
    29,326.47/40,503.95 = 19,878.63/x
  3. Step 3: Cross multiply
    29,326.47x = 40,503.95 × 19,878.63
  4. Step 4: Simplify right side
    29,326.47x = 805,163,035.59
  5. Step 5: Solve for x
    x = 805,163,035.59/29,326.47
  6. Step 6: Final answer
    x = 27,455.16

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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.