Home / 21,307.08-29,417.47-19,065.06

Finding the Fourth Proportional to 21,307.08, 29,417.47 and 19,065.06

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Solution

The fourth proportional to 21,307.08, 29,417.47 and 19,065.06 is: 26,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,307.08 : 29,417.47 = 19,065.06 : x
  2. Step 2: Convert to fraction form
    21,307.08/29,417.47 = 19,065.06/x
  3. Step 3: Cross multiply
    21,307.08x = 29,417.47 × 19,065.06
  4. Step 4: Simplify right side
    21,307.08x = 560,845,830.60
  5. Step 5: Solve for x
    x = 560,845,830.60/21,307.08
  6. Step 6: Final answer
    x = 26,322.04

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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.