Home / 29,317.20-40,457.52-15,888.48

Finding the Fourth Proportional to 29,317.20, 40,457.52 and 15,888.48

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Solution

The fourth proportional to 29,317.20, 40,457.52 and 15,888.48 is: 21,925.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,317.20 : 40,457.52 = 15,888.48 : x
  2. Step 2: Convert to fraction form
    29,317.20/40,457.52 = 15,888.48/x
  3. Step 3: Cross multiply
    29,317.20x = 40,457.52 × 15,888.48
  4. Step 4: Simplify right side
    29,317.20x = 642,808,497.37
  5. Step 5: Solve for x
    x = 642,808,497.37/29,317.20
  6. Step 6: Final answer
    x = 21,925.99

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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.