Home / 29,088.80-43,626.96-13,289.36

Finding the Fourth Proportional to 29,088.80, 43,626.96 and 13,289.36

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Solution

The fourth proportional to 29,088.80, 43,626.96 and 13,289.36 is: 19,931.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,088.80 : 43,626.96 = 13,289.36 : x
  2. Step 2: Convert to fraction form
    29,088.80/43,626.96 = 13,289.36/x
  3. Step 3: Cross multiply
    29,088.80x = 43,626.96 × 13,289.36
  4. Step 4: Simplify right side
    29,088.80x = 579,774,377.15
  5. Step 5: Solve for x
    x = 579,774,377.15/29,088.80
  6. Step 6: Final answer
    x = 19,931.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.