Home / 35,702.18-53,547.20-16,728.78

Finding the Fourth Proportional to 35,702.18, 53,547.20 and 16,728.78

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Solution

The fourth proportional to 35,702.18, 53,547.20 and 16,728.78 is: 25,090.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,702.18 : 53,547.20 = 16,728.78 : x
  2. Step 2: Convert to fraction form
    35,702.18/53,547.20 = 16,728.78/x
  3. Step 3: Cross multiply
    35,702.18x = 53,547.20 × 16,728.78
  4. Step 4: Simplify right side
    35,702.18x = 895,779,328.42
  5. Step 5: Solve for x
    x = 895,779,328.42/35,702.18
  6. Step 6: Final answer
    x = 25,090.33

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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.