Home / 29,333.14-40,479.75-15,904.35

Finding the Fourth Proportional to 29,333.14, 40,479.75 and 15,904.35

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Solution

The fourth proportional to 29,333.14, 40,479.75 and 15,904.35 is: 21,948.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,333.14 : 40,479.75 = 15,904.35 : x
  2. Step 2: Convert to fraction form
    29,333.14/40,479.75 = 15,904.35/x
  3. Step 3: Cross multiply
    29,333.14x = 40,479.75 × 15,904.35
  4. Step 4: Simplify right side
    29,333.14x = 643,804,111.91
  5. Step 5: Solve for x
    x = 643,804,111.91/29,333.14
  6. Step 6: Final answer
    x = 21,948.01

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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.