Home / 29,277.05-40,402.40-15,848.46

Finding the Fourth Proportional to 29,277.05, 40,402.40 and 15,848.46

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Solution

The fourth proportional to 29,277.05, 40,402.40 and 15,848.46 is: 21,870.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,277.05 : 40,402.40 = 15,848.46 : x
  2. Step 2: Convert to fraction form
    29,277.05/40,402.40 = 15,848.46/x
  3. Step 3: Cross multiply
    29,277.05x = 40,402.40 × 15,848.46
  4. Step 4: Simplify right side
    29,277.05x = 640,315,741.06
  5. Step 5: Solve for x
    x = 640,315,741.06/29,277.05
  6. Step 6: Final answer
    x = 21,870.91

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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.