Home / 29,302.86-40,428-16,554.18

Finding the Fourth Proportional to 29,302.86, 40,428 and 16,554.18

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Solution

The fourth proportional to 29,302.86, 40,428 and 16,554.18 is: 22,839.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,302.86 : 40,428 = 16,554.18 : x
  2. Step 2: Convert to fraction form
    29,302.86/40,428 = 16,554.18/x
  3. Step 3: Cross multiply
    29,302.86x = 40,428 × 16,554.18
  4. Step 4: Simplify right side
    29,302.86x = 669,252,389.04
  5. Step 5: Solve for x
    x = 669,252,389.04/29,302.86
  6. Step 6: Final answer
    x = 22,839.15

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Double scale
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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.