Home / 29,316.92-40,457.38-15,888.17

Finding the Fourth Proportional to 29,316.92, 40,457.38 and 15,888.17

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Solution

The fourth proportional to 29,316.92, 40,457.38 and 15,888.17 is: 21,925.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,316.92 : 40,457.38 = 15,888.17 : x
  2. Step 2: Convert to fraction form
    29,316.92/40,457.38 = 15,888.17/x
  3. Step 3: Cross multiply
    29,316.92x = 40,457.38 × 15,888.17
  4. Step 4: Simplify right side
    29,316.92x = 642,793,651.75
  5. Step 5: Solve for x
    x = 642,793,651.75/29,316.92
  6. Step 6: Final answer
    x = 21,925.69

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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.