Home / 21,368.16-32,000.40-14,775.84

Finding the Fourth Proportional to 21,368.16, 32,000.40 and 14,775.84

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Solution

The fourth proportional to 21,368.16, 32,000.40 and 14,775.84 is: 22,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,368.16 : 32,000.40 = 14,775.84 : x
  2. Step 2: Convert to fraction form
    21,368.16/32,000.40 = 14,775.84/x
  3. Step 3: Cross multiply
    21,368.16x = 32,000.40 × 14,775.84
  4. Step 4: Simplify right side
    21,368.16x = 472,832,790.34
  5. Step 5: Solve for x
    x = 472,832,790.34/21,368.16
  6. Step 6: Final answer
    x = 22,127.91

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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.