Home / 31,457.73-47,215.76-15,886.29

Finding the Fourth Proportional to 31,457.73, 47,215.76 and 15,886.29

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Solution

The fourth proportional to 31,457.73, 47,215.76 and 15,886.29 is: 23,844.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,457.73 : 47,215.76 = 15,886.29 : x
  2. Step 2: Convert to fraction form
    31,457.73/47,215.76 = 15,886.29/x
  3. Step 3: Cross multiply
    31,457.73x = 47,215.76 × 15,886.29
  4. Step 4: Simplify right side
    31,457.73x = 750,083,176.50
  5. Step 5: Solve for x
    x = 750,083,176.50/31,457.73
  6. Step 6: Final answer
    x = 23,844.16

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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.