Home / 21,400.02-32,082.63-8,929.33

Finding the Fourth Proportional to 21,400.02, 32,082.63 and 8,929.33

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Solution

The fourth proportional to 21,400.02, 32,082.63 and 8,929.33 is: 13,386.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,400.02 : 32,082.63 = 8,929.33 : x
  2. Step 2: Convert to fraction form
    21,400.02/32,082.63 = 8,929.33/x
  3. Step 3: Cross multiply
    21,400.02x = 32,082.63 × 8,929.33
  4. Step 4: Simplify right side
    21,400.02x = 286,476,507.54
  5. Step 5: Solve for x
    x = 286,476,507.54/21,400.02
  6. Step 6: Final answer
    x = 13,386.74

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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.