Home / 29,327.09-40,417.08-20,829.57

Finding the Fourth Proportional to 29,327.09, 40,417.08 and 20,829.57

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Solution

The fourth proportional to 29,327.09, 40,417.08 and 20,829.57 is: 28,706.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,327.09 : 40,417.08 = 20,829.57 : x
  2. Step 2: Convert to fraction form
    29,327.09/40,417.08 = 20,829.57/x
  3. Step 3: Cross multiply
    29,327.09x = 40,417.08 × 20,829.57
  4. Step 4: Simplify right side
    29,327.09x = 841,870,397.06
  5. Step 5: Solve for x
    x = 841,870,397.06/29,327.09
  6. Step 6: Final answer
    x = 28,706.24

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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.