Home / 21,482.06-29,655.27-14,323.91

Finding the Fourth Proportional to 21,482.06, 29,655.27 and 14,323.91

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Solution

The fourth proportional to 21,482.06, 29,655.27 and 14,323.91 is: 19,773.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482.06 : 29,655.27 = 14,323.91 : x
  2. Step 2: Convert to fraction form
    21,482.06/29,655.27 = 14,323.91/x
  3. Step 3: Cross multiply
    21,482.06x = 29,655.27 × 14,323.91
  4. Step 4: Simplify right side
    21,482.06x = 424,779,270.23
  5. Step 5: Solve for x
    x = 424,779,270.23/21,482.06
  6. Step 6: Final answer
    x = 19,773.68

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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.