Home / 21,032.19-29,038.98-13,077.99

Finding the Fourth Proportional to 21,032.19, 29,038.98 and 13,077.99

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Solution

The fourth proportional to 21,032.19, 29,038.98 and 13,077.99 is: 18,056.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032.19 : 29,038.98 = 13,077.99 : x
  2. Step 2: Convert to fraction form
    21,032.19/29,038.98 = 13,077.99/x
  3. Step 3: Cross multiply
    21,032.19x = 29,038.98 × 13,077.99
  4. Step 4: Simplify right side
    21,032.19x = 379,771,490.05
  5. Step 5: Solve for x
    x = 379,771,490.05/21,032.19
  6. Step 6: Final answer
    x = 18,056.68

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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.