Home / 31,032.64-42,825.81-16,886.26

Finding the Fourth Proportional to 31,032.64, 42,825.81 and 16,886.26

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Solution

The fourth proportional to 31,032.64, 42,825.81 and 16,886.26 is: 23,303.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,032.64 : 42,825.81 = 16,886.26 : x
  2. Step 2: Convert to fraction form
    31,032.64/42,825.81 = 16,886.26/x
  3. Step 3: Cross multiply
    31,032.64x = 42,825.81 × 16,886.26
  4. Step 4: Simplify right side
    31,032.64x = 723,167,762.37
  5. Step 5: Solve for x
    x = 723,167,762.37/31,032.64
  6. Step 6: Final answer
    x = 23,303.46

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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.