Home / 29,381.84-40,426.80-25,390.16

Finding the Fourth Proportional to 29,381.84, 40,426.80 and 25,390.16

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Solution

The fourth proportional to 29,381.84, 40,426.80 and 25,390.16 is: 34,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,381.84 : 40,426.80 = 25,390.16 : x
  2. Step 2: Convert to fraction form
    29,381.84/40,426.80 = 25,390.16/x
  3. Step 3: Cross multiply
    29,381.84x = 40,426.80 × 25,390.16
  4. Step 4: Simplify right side
    29,381.84x = 1,026,442,920.29
  5. Step 5: Solve for x
    x = 1,026,442,920.29/29,381.84
  6. Step 6: Final answer
    x = 34,934.60

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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.