Home / 21,417.63-32,088.27-18,265.66

Finding the Fourth Proportional to 21,417.63, 32,088.27 and 18,265.66

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Solution

The fourth proportional to 21,417.63, 32,088.27 and 18,265.66 is: 27,365.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,417.63 : 32,088.27 = 18,265.66 : x
  2. Step 2: Convert to fraction form
    21,417.63/32,088.27 = 18,265.66/x
  3. Step 3: Cross multiply
    21,417.63x = 32,088.27 × 18,265.66
  4. Step 4: Simplify right side
    21,417.63x = 586,113,429.81
  5. Step 5: Solve for x
    x = 586,113,429.81/21,417.63
  6. Step 6: Final answer
    x = 27,365.93

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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.