Home / 21,417.90-32,126.85-14,837.46

Finding the Fourth Proportional to 21,417.90, 32,126.85 and 14,837.46

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Solution

The fourth proportional to 21,417.90, 32,126.85 and 14,837.46 is: 22,256.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,417.90 : 32,126.85 = 14,837.46 : x
  2. Step 2: Convert to fraction form
    21,417.90/32,126.85 = 14,837.46/x
  3. Step 3: Cross multiply
    21,417.90x = 32,126.85 × 14,837.46
  4. Step 4: Simplify right side
    21,417.90x = 476,680,851.80
  5. Step 5: Solve for x
    x = 476,680,851.80/21,417.90
  6. Step 6: Final answer
    x = 22,256.19

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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.