Home / 21,356.23-32,038.35-10,688.28

Finding the Fourth Proportional to 21,356.23, 32,038.35 and 10,688.28

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Solution

The fourth proportional to 21,356.23, 32,038.35 and 10,688.28 is: 16,034.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,356.23 : 32,038.35 = 10,688.28 : x
  2. Step 2: Convert to fraction form
    21,356.23/32,038.35 = 10,688.28/x
  3. Step 3: Cross multiply
    21,356.23x = 32,038.35 × 10,688.28
  4. Step 4: Simplify right side
    21,356.23x = 342,434,868.09
  5. Step 5: Solve for x
    x = 342,434,868.09/21,356.23
  6. Step 6: Final answer
    x = 16,034.43

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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.